38506428477 has 48 divisors (see below), whose sum is σ = 61363066752. Its totient is φ = 23074652160.

The previous prime is 38506428469. The next prime is 38506428509. The reversal of 38506428477 is 77482460583.

It is not a de Polignac number, because 38506428477 - 2³ = 38506428469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38506428427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3480168 + ... + 3491214.

It is an arithmetic number, because the mean of its divisors is an integer number (1278397224).

Almost surely, 2^38506428477 is an apocalyptic number.

It is an amenable number.

38506428477 is a deficient number, since it is larger than the sum of its proper divisors (22856638275).

38506428477 is a wasteful number, since it uses less digits than its factorization.

38506428477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11458 (or 11455 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 38506428477 in words is "thirty-eight billion, five hundred six million, four hundred twenty-eight thousand, four hundred seventy-seven".