390397872798 has 16 divisors (see below), whose sum is σ = 867550828560. Its totient is φ = 130132624248.

The previous prime is 390397872769. The next prime is 390397872833. The reversal of 390397872798 is 897278793093.

390397872798 is a `hidden beast` number, since 3 + 90 + 397 + 87 + 2 + 79 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3614795065 + ... + 3614795172.

It is an arithmetic number, because the mean of its divisors is an integer number (54221926785).

Almost surely, 2^390397872798 is an apocalyptic number.

390397872798 is an abundant number, since it is smaller than the sum of its proper divisors (477152955762).

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

390397872798 is a wasteful number, since it uses less digits than its factorization.

390397872798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229590248 (or 7229590242 counting only the distinct ones).

The product of its (nonzero) digits is 288054144, while the sum is 72.

The spelling of 390397872798 in words is "three hundred ninety billion, three hundred ninety-seven million, eight hundred seventy-two thousand, seven hundred ninety-eight".