87039962 has 16 divisors (see below), whose sum is σ = 135284040. Its totient is φ = 41950272.

The previous prime is 87039961. The next prime is 87039973. The reversal of 87039962 is 26993078.

It can be written as a sum of positive squares in 4 ways, for example, as 79905721 + 7134241 = 8939^2 + 2671^2 .

It is a super-2 number, since 2×87039962² = 15151909969922888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87039961) 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, 62708 + ... + 64080.

Almost surely, 2^87039962 is an apocalyptic number.

87039962 is a deficient number, since it is larger than the sum of its proper divisors (48244078).

87039962 is a wasteful number, since it uses less digits than its factorization.

87039962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 87039962 is about 9329.5209952066. The cubic root of 87039962 is about 443.1725960468.

The spelling of 87039962 in words is "eighty-seven million, thirty-nine thousand, nine hundred sixty-two".