38457878467628 has 24 divisors (see below), whose sum is σ = 68311510101744. Its totient is φ = 18940352270400.

The previous prime is 38457878467607. The next prime is 38457878467633. The reversal of 38457878467628 is 82676487875483.

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, 2808503 + ... + 9208878.

It is an arithmetic number, because the mean of its divisors is an integer number (2846312920906).

Almost surely, 2^{38457878467628} is an apocalyptic number.

It is an amenable number.

38457878467628 is a deficient number, since it is larger than the sum of its proper divisors (29853631634116).

38457878467628 is a wasteful number, since it uses less digits than its factorization.

38457878467628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12029393 (or 12029391 counting only the distinct ones).

The product of its digits is 24277155840, while the sum is 83.

The spelling of 38457878467628 in words is "thirty-eight trillion, four hundred fifty-seven billion, eight hundred seventy-eight million, four hundred sixty-seven thousand, six hundred twenty-eight".