85902091026 has 64 divisors (see below), whose sum is σ = 186546551040. Its totient is φ = 26271365120.

The previous prime is 85902091013. The next prime is 85902091057. The reversal of 85902091026 is 62019020958.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577900 + ... + 711176.

It is an arithmetic number, because the mean of its divisors is an integer number (2914789860).

Almost surely, 2^85902091026 is an apocalyptic number.

85902091026 is an abundant number, since it is smaller than the sum of its proper divisors (100644460014).

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

85902091026 is a wasteful number, since it uses less digits than its factorization.

85902091026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133459.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 85902091026 in words is "eighty-five billion, nine hundred two million, ninety-one thousand, twenty-six".