38777516412 has 36 divisors (see below), whose sum is σ = 91107689400. Its totient is φ = 12836331264.

The previous prime is 38777516387. The next prime is 38777516417. The reversal of 38777516412 is 21461577783.

38777516412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38777516417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8324388 + ... + 8329044.

It is an arithmetic number, because the mean of its divisors is an integer number (2530769150).

Almost surely, 2^38777516412 is an apocalyptic number.

It is an amenable number.

38777516412 is an abundant number, since it is smaller than the sum of its proper divisors (52330172988).

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

38777516412 is an equidigital number, since it uses as much as digits as its factorization.

38777516412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9470 (or 4811 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 51.

The spelling of 38777516412 in words is "thirty-eight billion, seven hundred seventy-seven million, five hundred sixteen thousand, four hundred twelve".