87691460 has 24 divisors (see below), whose sum is σ = 193845120. Its totient is φ = 33230304.

The previous prime is 87691459. The next prime is 87691463. The reversal of 87691460 is 6419678.

It is not an unprimeable number, because it can be changed into a prime (87691463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115004 + ... + 115763.

It is an arithmetic number, because the mean of its divisors is an integer number (8076880).

Almost surely, 2^87691460 is an apocalyptic number.

It is an amenable number.

87691460 is an abundant number, since it is smaller than the sum of its proper divisors (106153660).

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

87691460 is a wasteful number, since it uses less digits than its factorization.

87691460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230795 (or 230793 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 87691460 is about 9364.3718422540. The cubic root of 87691460 is about 444.2755708883.

The spelling of 87691460 in words is "eighty-seven million, six hundred ninety-one thousand, four hundred sixty".