87464915 has 8 divisors (see below), whose sum is σ = 111132000. Its totient is φ = 65855872.

The previous prime is 87464891. The next prime is 87464939. The reversal of 87464915 is 51946478.

It is an interprime number because it is at equal distance from previous prime (87464891) and next prime (87464939).

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 87464915 - 2⁶ = 87464851 is a prime.

It is a super-2 number, since 2×87464915² = 15300222711914450, which contains 22 as substring.

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, 514415 + ... + 514584.

It is an arithmetic number, because the mean of its divisors is an integer number (13891500).

Almost surely, 2^87464915 is an apocalyptic number.

87464915 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

87464915 is a deficient number, since it is larger than the sum of its proper divisors (23667085).

87464915 is a wasteful number, since it uses less digits than its factorization.

87464915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029021.

The product of its digits is 241920, while the sum is 44.

The square root of 87464915 is about 9352.2679067700. The cubic root of 87464915 is about 443.8926555827.

The spelling of 87464915 in words is "eighty-seven million, four hundred sixty-four thousand, nine hundred fifteen".