85774666902 has 16 divisors (see below), whose sum is σ = 171570769920. Its totient is φ = 28587982952.

The previous prime is 85774666877. The next prime is 85774666919. The reversal of 85774666902 is 20966647758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840918 + ... + 937385.

It is an arithmetic number, because the mean of its divisors is an integer number (10723173120).

Almost surely, 2^85774666902 is an apocalyptic number.

85774666902 is an abundant number, since it is smaller than the sum of its proper divisors (85796103018).

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

85774666902 is a wasteful number, since it uses less digits than its factorization.

85774666902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786347.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 85774666902 in words is "eighty-five billion, seven hundred seventy-four million, six hundred sixty-six thousand, nine hundred two".