85402836057 has 32 divisors (see below), whose sum is σ = 142605066240. Its totient is φ = 44166136320.

The previous prime is 85402836031. The next prime is 85402836061. The reversal of 85402836057 is 75063820458.

It is not a de Polignac number, because 85402836057 - 2⁶ = 85402835993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85402835997 and 85402836015.

It is not an unprimeable number, because it can be changed into a prime (85402836007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 777432 + ... + 880457.

It is an arithmetic number, because the mean of its divisors is an integer number (4456408320).

Almost surely, 2^85402836057 is an apocalyptic number.

It is an amenable number.

85402836057 is a deficient number, since it is larger than the sum of its proper divisors (57202230183).

85402836057 is a wasteful number, since it uses less digits than its factorization.

85402836057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658133.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 85402836057 in words is "eighty-five billion, four hundred two million, eight hundred thirty-six thousand, fifty-seven".