85242910902 has 16 divisors (see below), whose sum is σ = 170968788720. Its totient is φ = 28333809152.

The previous prime is 85242910873. The next prime is 85242910903. The reversal of 85242910902 is 20901924258.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85242910903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20121327 + ... + 20125562.

It is an arithmetic number, because the mean of its divisors is an integer number (10685549295).

Almost surely, 2^85242910902 is an apocalyptic number.

85242910902 is an abundant number, since it is smaller than the sum of its proper divisors (85725877818).

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

85242910902 is a wasteful number, since it uses less digits than its factorization.

85242910902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40247247.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 85242910902 in words is "eighty-five billion, two hundred forty-two million, nine hundred ten thousand, nine hundred two".