85977498 has 16 divisors (see below), whose sum is σ = 172830240. Its totient is φ = 28513296.

The previous prime is 85977497. The next prime is 85977509. The reversal of 85977498 is 89477958.

It is not an unprimeable number, because it can be changed into a prime (85977491) 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, 35188 + ... + 37551.

It is an arithmetic number, because the mean of its divisors is an integer number (10801890).

Almost surely, 2^85977498 is an apocalyptic number.

85977498 is an abundant number, since it is smaller than the sum of its proper divisors (86852742).

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

85977498 is a wasteful number, since it uses less digits than its factorization.

85977498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72941.

The product of its digits is 5080320, while the sum is 57.

The square root of 85977498 is about 9272.4051895935. The cubic root of 85977498 is about 441.3619952350.

The spelling of 85977498 in words is "eighty-five million, nine hundred seventy-seven thousand, four hundred ninety-eight".