790197975522 has 90 divisors (see below), whose sum is σ = 1784451215547. Its totient is φ = 261358990200.

The previous prime is 790197975509. The next prime is 790197975533. The reversal of 790197975522 is 225579791097.

790197975522 is a `hidden beast` number, since 7 + 9 + 0 + 1 + 9 + 79 + 7 + 552 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 395098987761 + 395098987761 = 628569^2 + 628569^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=628569.

It is a super-2 number, since 2×790197975522² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 790197975522.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2387304897 + ... + 2387305227.

Almost surely, 2^790197975522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 790197975522

790197975522 is an abundant number, since it is smaller than the sum of its proper divisors (994253240025).

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

790197975522 is an frugal number, since it uses more digits than its factorization.

790197975522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 25004700, while the sum is 63.

The spelling of 790197975522 in words is "seven hundred ninety billion, one hundred ninety-seven million, nine hundred seventy-five thousand, five hundred twenty-two".