87626544 has 20 divisors (see below), whose sum is σ = 226368696. Its totient is φ = 29208832.

The previous prime is 87626533. The next prime is 87626549. The reversal of 87626544 is 44562678.

It is a super-2 number, since 2×87626544² = 15356822426767872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87626496 and 87626505.

It is not an unprimeable number, because it can be changed into a prime (87626549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912729 + ... + 912824.

Almost surely, 2^87626544 is an apocalyptic number.

It is an amenable number.

87626544 is an abundant number, since it is smaller than the sum of its proper divisors (138742152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87626544 is a wasteful number, since it uses less digits than its factorization.

87626544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825564 (or 1825558 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 87626544 is about 9360.9050844456. The cubic root of 87626544 is about 444.1659147805.

The spelling of 87626544 in words is "eighty-seven million, six hundred twenty-six thousand, five hundred forty-four".