85210884 has 36 divisors (see below), whose sum is σ = 234976560. Its totient is φ = 25821360.

The previous prime is 85210843. The next prime is 85210891. The reversal of 85210884 is 48801258.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×85210884² = 14521789504122912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107194 + ... + 107985.

Almost surely, 2^85210884 is an apocalyptic number.

It is an amenable number.

85210884 is an abundant number, since it is smaller than the sum of its proper divisors (149765676).

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

85210884 is a wasteful number, since it uses less digits than its factorization.

85210884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215200 (or 215195 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 85210884 is about 9230.9741631098. The cubic root of 85210884 is about 440.0462830102.

The spelling of 85210884 in words is "eighty-five million, two hundred ten thousand, eight hundred eighty-four".