85649088 has 56 divisors (see below), whose sum is σ = 258990592. Its totient is φ = 24470784.

The previous prime is 85649059. The next prime is 85649147. The reversal of 85649088 is 88094658.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 30520 + ... + 33207.

It is an arithmetic number, because the mean of its divisors is an integer number (4624832).

Almost surely, 2^85649088 is an apocalyptic number.

It is an amenable number.

85649088 is an abundant number, since it is smaller than the sum of its proper divisors (173341504).

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

85649088 is a wasteful number, since it uses less digits than its factorization.

85649088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63749 (or 63739 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 85649088 is about 9254.6792488989. The cubic root of 85649088 is about 440.7993184026.

The spelling of 85649088 in words is "eighty-five million, six hundred forty-nine thousand, eighty-eight".