38587157428 has 24 divisors (see below), whose sum is σ = 67631477760. Its totient is φ = 19263905760.

The previous prime is 38587157417. The next prime is 38587157443. The reversal of 38587157428 is 82475178583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11486013 + ... + 11489371.

It is an arithmetic number, because the mean of its divisors is an integer number (2817978240).

Almost surely, 2^38587157428 is an apocalyptic number.

It is an amenable number.

38587157428 is a deficient number, since it is larger than the sum of its proper divisors (29044320332).

38587157428 is a wasteful number, since it uses less digits than its factorization.

38587157428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6927 (or 6925 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 58.

The spelling of 38587157428 in words is "thirty-eight billion, five hundred eighty-seven million, one hundred fifty-seven thousand, four hundred twenty-eight".