38708457212 has 18 divisors (see below), whose sum is σ = 69211753632. Its totient is φ = 18942432184.

The previous prime is 38708457163. The next prime is 38708457251. The reversal of 38708457212 is 21275480783.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2181548 + ... + 2199219.

It is an arithmetic number, because the mean of its divisors is an integer number (3845097424).

Almost surely, 2^38708457212 is an apocalyptic number.

It is an amenable number.

38708457212 is a deficient number, since it is larger than the sum of its proper divisors (30503296420).

38708457212 is a wasteful number, since it uses less digits than its factorization.

38708457212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380865 (or 4380816 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 38708457212 in words is "thirty-eight billion, seven hundred eight million, four hundred fifty-seven thousand, two hundred twelve".