38725782555 has 16 divisors (see below), whose sum is σ = 61965091584. Its totient is φ = 20652470880.

The previous prime is 38725782551. The next prime is 38725782559. The reversal of 38725782555 is 55528752783.

It is an interprime number because it is at equal distance from previous prime (38725782551) and next prime (38725782559).

It is not a de Polignac number, because 38725782555 - 2² = 38725782551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38725782495 and 38725782504.

It is not an unprimeable number, because it can be changed into a prime (38725782551) 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, 202282 + ... + 344048.

It is an arithmetic number, because the mean of its divisors is an integer number (3872818224).

Almost surely, 2^38725782555 is an apocalyptic number.

38725782555 is a deficient number, since it is larger than the sum of its proper divisors (23239309029).

38725782555 is a wasteful number, since it uses less digits than its factorization.

38725782555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159986.

The product of its digits is 23520000, while the sum is 57.

The spelling of 38725782555 in words is "thirty-eight billion, seven hundred twenty-five million, seven hundred eighty-two thousand, five hundred fifty-five".