87478119864 has 48 divisors (see below), whose sum is σ = 236935057320. Its totient is φ = 29157508800.

The previous prime is 87478119853. The next prime is 87478119901. The reversal of 87478119864 is 46891187478.

87478119864 is a `hidden beast` number, since 8 + 7 + 478 + 11 + 98 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1534479 + ... + 1590465.

Almost surely, 2^87478119864 is an apocalyptic number.

It is an amenable number.

87478119864 is an abundant number, since it is smaller than the sum of its proper divisors (149456937456).

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

87478119864 is a wasteful number, since it uses less digits than its factorization.

87478119864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77700 (or 77693 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 63.

The spelling of 87478119864 in words is "eighty-seven billion, four hundred seventy-eight million, one hundred nineteen thousand, eight hundred sixty-four".