38787378163188 has 48 divisors (see below), whose sum is σ = 93075034899840. Its totient is φ = 12562759165824.

The previous prime is 38787378163133. The next prime is 38787378163189. The reversal of 38787378163188 is 88136187378783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38787378163189) 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, 58458103 + ... + 59117886.

It is an arithmetic number, because the mean of its divisors is an integer number (1939063227080).

Almost surely, 2^{38787378163188} is an apocalyptic number.

It is an amenable number.

38787378163188 is an abundant number, since it is smaller than the sum of its proper divisors (54287656736652).

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

38787378163188 is a wasteful number, since it uses less digits than its factorization.

38787378163188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117576776 (or 117576774 counting only the distinct ones).

The product of its digits is 1820786688, while the sum is 78.

The spelling of 38787378163188 in words is "thirty-eight trillion, seven hundred eighty-seven billion, three hundred seventy-eight million, one hundred sixty-three thousand, one hundred eighty-eight".