87468731 has 8 divisors (see below), whose sum is σ = 100364544. Its totient is φ = 74673000.

The previous prime is 87468707. The next prime is 87468737. The reversal of 87468731 is 13786478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87468731 - 2²² = 83274427 is a prime.

It is a super-2 number, since 2×87468731² = 15301557805500722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87468737) 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, 23135 + ... + 26648.

It is an arithmetic number, because the mean of its divisors is an integer number (12545568).

Almost surely, 2^87468731 is an apocalyptic number.

87468731 is a deficient number, since it is larger than the sum of its proper divisors (12895813).

87468731 is a wasteful number, since it uses less digits than its factorization.

87468731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50041.

The product of its digits is 225792, while the sum is 44.

The square root of 87468731 is about 9352.4719192308. The cubic root of 87468731 is about 443.8991110082.

The spelling of 87468731 in words is "eighty-seven million, four hundred sixty-eight thousand, seven hundred thirty-one".