87422956 has 12 divisors (see below), whose sum is σ = 156548392. Its totient is φ = 42694848.

The previous prime is 87422941. The next prime is 87422957. The reversal of 87422956 is 65922478.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (87422957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253965 + ... + 254308.

Almost surely, 2^87422956 is an apocalyptic number.

87422956 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

87422956 is a deficient number, since it is larger than the sum of its proper divisors (69125436).

87422956 is a wasteful number, since it uses less digits than its factorization.

87422956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508320 (or 508318 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 87422956 is about 9350.0243849949. The cubic root of 87422956 is about 443.8216622742.

The spelling of 87422956 in words is "eighty-seven million, four hundred twenty-two thousand, nine hundred fifty-six".