38078905620 has 96 divisors (see below), whose sum is σ = 123917875200. Its totient is φ = 8556223104.

The previous prime is 38078905609. The next prime is 38078905717. The reversal of 38078905620 is 2650987083.

It is a self number, because there is not a number n which added to its sum of digits gives 38078905620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 743560 + ... + 793119.

It is an arithmetic number, because the mean of its divisors is an integer number (1290811200).

Almost surely, 2^38078905620 is an apocalyptic number.

38078905620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38078905620 is an abundant number, since it is smaller than the sum of its proper divisors (85838969580).

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

38078905620 is a wasteful number, since it uses less digits than its factorization.

38078905620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536757 (or 1536755 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 38078905620 in words is "thirty-eight billion, seventy-eight million, nine hundred five thousand, six hundred twenty".