97765426 has 16 divisors (see below), whose sum is σ = 160221888. Its totient is φ = 44371600.

The previous prime is 97765417. The next prime is 97765429. The reversal of 97765426 is 62456779.

It is a super-2 number, since 2×97765426² = 19116157041922952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97765429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13356 + ... + 19336.

It is an arithmetic number, because the mean of its divisors is an integer number (10013868).

Almost surely, 2^97765426 is an apocalyptic number.

97765426 is a deficient number, since it is larger than the sum of its proper divisors (62456462).

97765426 is a wasteful number, since it uses less digits than its factorization.

97765426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737.

The product of its digits is 635040, while the sum is 46.

The square root of 97765426 is about 9887.6400622191. The cubic root of 97765426 is about 460.6754820902.

The spelling of 97765426 in words is "ninety-seven million, seven hundred sixty-five thousand, four hundred twenty-six".