38277477473616 has 30 divisors (see below), whose sum is σ = 107123773763370. Its totient is φ = 12759159157824.

The previous prime is 38277477473533. The next prime is 38277477473647. The reversal of 38277477473616 is 61637477477283.

38277477473616 is a `hidden beast` number, since 3 + 8 + 2 + 7 + 74 + 77 + 473 + 6 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37313821118016 + 963656355600 = 6108504^2 + 981660^2 .

It is a super-2 number, since 2×38277477473616² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132907907751 + ... + 132907908038.

It is an arithmetic number, because the mean of its divisors is an integer number (3570792458779).

Almost surely, 2^{38277477473616} is an apocalyptic number.

38277477473616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38277477473616 is an abundant number, since it is smaller than the sum of its proper divisors (68846296289754).

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

38277477473616 is a wasteful number, since it uses less digits than its factorization.

38277477473616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265815815803 (or 265815815794 counting only the distinct ones).

The product of its digits is 1394039808, while the sum is 72.

The spelling of 38277477473616 in words is "thirty-eight trillion, two hundred seventy-seven billion, four hundred seventy-seven million, four hundred seventy-three thousand, six hundred sixteen".