387778088120 has 64 divisors (see below), whose sum is σ = 876661924320. Its totient is φ = 154372102144.

The previous prime is 387778088081. The next prime is 387778088167. The reversal of 387778088120 is 21880877783.

It is a self number, because there is not a number n which added to its sum of digits gives 387778088120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22294067 + ... + 22311453.

Almost surely, 2^387778088120 is an apocalyptic number.

It is an amenable number.

387778088120 is an abundant number, since it is smaller than the sum of its proper divisors (488883836200).

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

387778088120 is a wasteful number, since it uses less digits than its factorization.

387778088120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20024 (or 20020 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 59.

The spelling of 387778088120 in words is "three hundred eighty-seven billion, seven hundred seventy-eight million, eighty-eight thousand, one hundred twenty".