87738576 has 40 divisors (see below), whose sum is σ = 231934560. Its totient is φ = 28565376.

The previous prime is 87738527. The next prime is 87738617. The reversal of 87738576 is 67583778.

It is a super-3 number, since 3×87738576³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19191 + ... + 23318.

It is an arithmetic number, because the mean of its divisors is an integer number (5798364).

Almost surely, 2^87738576 is an apocalyptic number.

87738576 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

87738576 is an abundant number, since it is smaller than the sum of its proper divisors (144195984).

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

87738576 is a wasteful number, since it uses less digits than its factorization.

87738576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42563 (or 42557 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 51.

The square root of 87738576 is about 9366.8872097405. The cubic root of 87738576 is about 444.3551253472.

The spelling of 87738576 in words is "eighty-seven million, seven hundred thirty-eight thousand, five hundred seventy-six".