87196790 has 32 divisors (see below), whose sum is σ = 161861760. Its totient is φ = 33796224.

The previous prime is 87196787. The next prime is 87196799. The reversal of 87196790 is 9769178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87196799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171056 + ... + 171564.

It is an arithmetic number, because the mean of its divisors is an integer number (5058180).

Almost surely, 2^87196790 is an apocalyptic number.

87196790 is a deficient number, since it is larger than the sum of its proper divisors (74664970).

87196790 is a wasteful number, since it uses less digits than its factorization.

87196790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 87196790 is about 9337.9221457453. The cubic root of 87196790 is about 443.4386047833.

The spelling of 87196790 in words is "eighty-seven million, one hundred ninety-six thousand, seven hundred ninety".