87642962 has 12 divisors (see below), whose sum is σ = 144502638. Its totient is φ = 39837600.

The previous prime is 87642943. The next prime is 87643001. The reversal of 87642962 is 26924678.

It can be written as a sum of positive squares in only one way, i.e., 87628321 + 14641 = 9361^2 + 121^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180839 + ... + 181322.

Almost surely, 2^87642962 is an apocalyptic number.

87642962 is a deficient number, since it is larger than the sum of its proper divisors (56859676).

87642962 is a wasteful number, since it uses less digits than its factorization.

87642962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362185 (or 362174 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 87642962 is about 9361.7819884892. The cubic root of 87642962 is about 444.1936531813.

The spelling of 87642962 in words is "eighty-seven million, six hundred forty-two thousand, nine hundred sixty-two".