38257252087 has 16 divisors (see below), whose sum is σ = 39028252032. Its totient is φ = 37491217920.

The previous prime is 38257252079. The next prime is 38257252097. The reversal of 38257252087 is 78025275283.

It is a cyclic number.

It is not a de Polignac number, because 38257252087 - 2³ = 38257252079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38257252087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38257252037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28829218 + ... + 28830544.

It is an arithmetic number, because the mean of its divisors is an integer number (2439265752).

Almost surely, 2^38257252087 is an apocalyptic number.

38257252087 is a deficient number, since it is larger than the sum of its proper divisors (770999945).

38257252087 is a wasteful number, since it uses less digits than its factorization.

38257252087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 38257252087 in words is "thirty-eight billion, two hundred fifty-seven million, two hundred fifty-two thousand, eighty-seven".