85957620897 has 64 divisors (see below), whose sum is σ = 128878801920. Its totient is φ = 50699636736.

The previous prime is 85957620883. The next prime is 85957620937. The reversal of 85957620897 is 79802675958.

It is a happy number.

It is not a de Polignac number, because 85957620897 - 2⁷ = 85957620769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85957420897) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13690923 + ... + 13697199.

It is an arithmetic number, because the mean of its divisors is an integer number (2013731280).

Almost surely, 2^85957620897 is an apocalyptic number.

85957620897 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

85957620897 is a deficient number, since it is larger than the sum of its proper divisors (42921181023).

85957620897 is a wasteful number, since it uses less digits than its factorization.

85957620897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570.

The product of its (nonzero) digits is 76204800, while the sum is 66.

The spelling of 85957620897 in words is "eighty-five billion, nine hundred fifty-seven million, six hundred twenty thousand, eight hundred ninety-seven".