97097722758 has 48 divisors (see below), whose sum is σ = 218318340240. Its totient is φ = 32343929856.

The previous prime is 97097722753. The next prime is 97097722789. The reversal of 97097722758 is 85722779079.

It is a super-2 number, since 2×97097722758² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97097722695 and 97097722704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97097722753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 656566 + ... + 790742.

It is an arithmetic number, because the mean of its divisors is an integer number (4548298755).

Almost surely, 2^97097722758 is an apocalyptic number.

97097722758 is an abundant number, since it is smaller than the sum of its proper divisors (121220617482).

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

97097722758 is a wasteful number, since it uses less digits than its factorization.

97097722758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135683 (or 135671 counting only the distinct ones).

The product of its (nonzero) digits is 31116960, while the sum is 63.

The spelling of 97097722758 in words is "ninety-seven billion, ninety-seven million, seven hundred twenty-two thousand, seven hundred fifty-eight".