99697060585 has 16 divisors (see below), whose sum is σ = 128612563200. Its totient is φ = 73952217216.

The previous prime is 99697060559. The next prime is 99697060591. The reversal of 99697060585 is 58506079699.

99697060585 = T₂₅₇₈₀₆ + T₂₅₇₈₀₇ + T₂₅₇₈₀₈.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 99697060585 - 2⁷ = 99697060457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11159820 + ... + 11168749.

It is an arithmetic number, because the mean of its divisors is an integer number (8038285200).

Almost surely, 2^99697060585 is an apocalyptic number.

99697060585 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

99697060585 is the 257808-th centered triangular number.

It is an amenable number.

99697060585 is a deficient number, since it is larger than the sum of its proper divisors (28915502615).

99697060585 is a wasteful number, since it uses less digits than its factorization.

99697060585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22328640.

The product of its (nonzero) digits is 36741600, while the sum is 64.

The spelling of 99697060585 in words is "ninety-nine billion, six hundred ninety-seven million, sixty thousand, five hundred eighty-five".