791538150363720 has 256 divisors, whose sum is σ = 2400284613888000. Its totient is φ = 208807118438400.

The previous prime is 791538150363713. The next prime is 791538150363739. The reversal of 791538150363720 is 27363051835197.

It is a happy number.

791538150363720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19088366427 + ... + 19088407893.

It is an arithmetic number, because the mean of its divisors is an integer number (9376111773000).

Almost surely, 2^{791538150363720} 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 791538150363720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1200142306944000).

791538150363720 is an abundant number, since it is smaller than the sum of its proper divisors (1608746463524280).

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

791538150363720 is a wasteful number, since it uses less digits than its factorization.

791538150363720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45988 (or 45984 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 60.

The spelling of 791538150363720 in words is "seven hundred ninety-one trillion, five hundred thirty-eight billion, one hundred fifty million, three hundred sixty-three thousand, seven hundred twenty".