87036890 has 16 divisors (see below), whose sum is σ = 156805632. Its totient is φ = 34783824.

The previous prime is 87036883. The next prime is 87036919. The reversal of 87036890 is 9863078.

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, 10487 + ... + 16853.

It is an arithmetic number, because the mean of its divisors is an integer number (9800352).

Almost surely, 2^87036890 is an apocalyptic number.

87036890 is a deficient number, since it is larger than the sum of its proper divisors (69768742).

87036890 is a wasteful number, since it uses less digits than its factorization.

87036890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7741.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 87036890 is about 9329.3563550762. The cubic root of 87036890 is about 443.1673821879.

The spelling of 87036890 in words is "eighty-seven million, thirty-six thousand, eight hundred ninety".