38357947470 has 32 divisors (see below), whose sum is σ = 94199985792. Its totient is φ = 9990906912.

The previous prime is 38357947469. The next prime is 38357947553. The reversal of 38357947470 is 7474975383.

It is a happy number.

It is a super-2 number, since 2×38357947470² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 38357947470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14866132 + ... + 14868711.

It is an arithmetic number, because the mean of its divisors is an integer number (2943749556).

Almost surely, 2^38357947470 is an apocalyptic number.

38357947470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38357947470 is an abundant number, since it is smaller than the sum of its proper divisors (55842038322).

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

38357947470 is a wasteful number, since it uses less digits than its factorization.

38357947470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29734896.

The product of its (nonzero) digits is 17781120, while the sum is 57.

The spelling of 38357947470 in words is "thirty-eight billion, three hundred fifty-seven million, nine hundred forty-seven thousand, four hundred seventy".