38531857070 has 24 divisors (see below), whose sum is σ = 80680991544. Its totient is φ = 13210922256.

The previous prime is 38531857027. The next prime is 38531857073. The reversal of 38531857070 is 7075813583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38531857073) 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, 39317732 + ... + 39318711.

It is an arithmetic number, because the mean of its divisors is an integer number (3361707981).

Almost surely, 2^38531857070 is an apocalyptic number.

38531857070 is an abundant number, since it is smaller than the sum of its proper divisors (42149134474).

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

38531857070 is a wasteful number, since it uses less digits than its factorization.

38531857070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78636464 (or 78636457 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 38531857070 in words is "thirty-eight billion, five hundred thirty-one million, eight hundred fifty-seven thousand, seventy".