372991397764608 has 400 divisors, whose sum is σ = 1277877484282080. Its totient is φ = 106103585193984.

The previous prime is 372991397764589. The next prime is 372991397764627. The reversal of 372991397764608 is 806467793199273.

It is a happy number.

372991397764608 is a `hidden beast` number, since 3 + 7 + 29 + 91 + 397 + 7 + 64 + 60 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (372991397764589) and next prime (372991397764627).

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 63674310 + ... + 69284922.

Almost surely, 2^{372991397764608} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 372991397764608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638938742141040).

372991397764608 is an abundant number, since it is smaller than the sum of its proper divisors (904886086517472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

372991397764608 is an equidigital number, since it uses as much as digits as its factorization.

372991397764608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610879 (or 5610854 counting only the distinct ones).

The product of its (nonzero) digits is 5184974592, while the sum is 81.

The spelling of 372991397764608 in words is "three hundred seventy-two trillion, nine hundred ninety-one billion, three hundred ninety-seven million, seven hundred sixty-four thousand, six hundred eight".