87479161 has 24 divisors (see below), whose sum is σ = 117554976. Its totient is φ = 64149120.

The previous prime is 87479141. The next prime is 87479201. The reversal of 87479161 is 16197478.

It is not a de Polignac number, because 87479161 - 2⁵ = 87479129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87479101) 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, 4390 + ... + 13936.

It is an arithmetic number, because the mean of its divisors is an integer number (4898124).

Almost surely, 2^87479161 is an apocalyptic number.

It is an amenable number.

87479161 is a deficient number, since it is larger than the sum of its proper divisors (30075815).

87479161 is a wasteful number, since it uses less digits than its factorization.

87479161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9589 (or 9582 counting only the distinct ones).

The product of its digits is 84672, while the sum is 43.

The square root of 87479161 is about 9353.0295092018. The cubic root of 87479161 is about 443.9167542035.

The spelling of 87479161 in words is "eighty-seven million, four hundred seventy-nine thousand, one hundred sixty-one".