87304761 has 24 divisors (see below), whose sum is σ = 131302080. Its totient is φ = 55831776.

The previous prime is 87304759. The next prime is 87304769. The reversal of 87304761 is 16740378.

It is not a de Polignac number, because 87304761 - 2¹ = 87304759 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (87304769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42586 + ... + 44588.

It is an arithmetic number, because the mean of its divisors is an integer number (5470920).

Almost surely, 2^87304761 is an apocalyptic number.

It is an amenable number.

87304761 is a deficient number, since it is larger than the sum of its proper divisors (43997319).

87304761 is a wasteful number, since it uses less digits than its factorization.

87304761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 87304761 is about 9343.7016754603. The cubic root of 87304761 is about 443.6215578538.

The spelling of 87304761 in words is "eighty-seven million, three hundred four thousand, seven hundred sixty-one".