87726532 has 6 divisors (see below), whose sum is σ = 153521438. Its totient is φ = 43863264.

The previous prime is 87726523. The next prime is 87726547. The reversal of 87726532 is 23562778.

It can be written as a sum of positive squares in only one way, i.e., 85488516 + 2238016 = 9246^2 + 1496^2 .

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 as a sum of consecutive naturals, namely, 10965813 + ... + 10965820.

Almost surely, 2^87726532 is an apocalyptic number.

It is an amenable number.

87726532 is a deficient number, since it is larger than the sum of its proper divisors (65794906).

87726532 is a wasteful number, since it uses less digits than its factorization.

87726532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21931637 (or 21931635 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 87726532 is about 9366.2442846639. The cubic root of 87726532 is about 444.3347919953.

The spelling of 87726532 in words is "eighty-seven million, seven hundred twenty-six thousand, five hundred thirty-two".