87764332 has 12 divisors (see below), whose sum is σ = 153682480. Its totient is φ = 43855056.

The previous prime is 87764321. The next prime is 87764351. The reversal of 87764332 is 23346778.

It is a happy number.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678 + ... + 13354.

Almost surely, 2^87764332 is an apocalyptic number.

It is an amenable number.

87764332 is a deficient number, since it is larger than the sum of its proper divisors (65918148).

87764332 is a wasteful number, since it uses less digits than its factorization.

87764332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13560 (or 13558 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 87764332 is about 9368.2619519311. The cubic root of 87764332 is about 444.3986018180.

The spelling of 87764332 in words is "eighty-seven million, seven hundred sixty-four thousand, three hundred thirty-two".