87299774 has 16 divisors (see below), whose sum is σ = 134016768. Its totient is φ = 42631512.

The previous prime is 87299767. The next prime is 87299791. The reversal of 87299774 is 47799278.

It is a Curzon number.

It is a congruent number.

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, 77177 + ... + 78299.

It is an arithmetic number, because the mean of its divisors is an integer number (8376048).

Almost surely, 2^87299774 is an apocalyptic number.

87299774 is a deficient number, since it is larger than the sum of its proper divisors (46716994).

87299774 is a wasteful number, since it uses less digits than its factorization.

87299774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999.

The product of its digits is 1778112, while the sum is 53.

The square root of 87299774 is about 9343.4348073928. The cubic root of 87299774 is about 443.6131108810.

The spelling of 87299774 in words is "eighty-seven million, two hundred ninety-nine thousand, seven hundred seventy-four".