87428460924 has 72 divisors (see below), whose sum is σ = 253982252160. Its totient is φ = 24839996832.

The previous prime is 87428460901. The next prime is 87428460929. The reversal of 87428460924 is 42906482478.

87428460924 is a `hidden beast` number, since 8 + 7 + 4 + 2 + 8 + 4 + 609 + 24 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87428460929) 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, 923994 + ... + 1014209.

It is an arithmetic number, because the mean of its divisors is an integer number (3527531280).

Almost surely, 2^87428460924 is an apocalyptic number.

87428460924 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

87428460924 is an abundant number, since it is smaller than the sum of its proper divisors (166553791236).

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

87428460924 is a wasteful number, since it uses less digits than its factorization.

87428460924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938399 (or 1938394 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 87428460924 in words is "eighty-seven billion, four hundred twenty-eight million, four hundred sixty thousand, nine hundred twenty-four".