87106476 has 48 divisors (see below), whose sum is σ = 209183744. Its totient is φ = 28195776.

The previous prime is 87106457. The next prime is 87106477. The reversal of 87106476 is 67460178.

It is a super-2 number, since 2×87106476² = 15175076322277152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87106477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114690 + ... + 115446.

Almost surely, 2^87106476 is an apocalyptic number.

87106476 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

87106476 is an abundant number, since it is smaller than the sum of its proper divisors (122077268).

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

87106476 is a wasteful number, since it uses less digits than its factorization.

87106476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 87106476 is about 9333.0850205063. The cubic root of 87106476 is about 443.2854548454.

The spelling of 87106476 in words is "eighty-seven million, one hundred six thousand, four hundred seventy-six".