38777514774428 has 48 divisors (see below), whose sum is σ = 71240829682176. Its totient is φ = 18433541755200.

The previous prime is 38777514774421. The next prime is 38777514774431. The reversal of 38777514774428 is 82447741577783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38777514774421) 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, 8909978 + ... + 12527678.

It is an arithmetic number, because the mean of its divisors is an integer number (1484183951712).

Almost surely, 2^{38777514774428} is an apocalyptic number.

It is an amenable number.

38777514774428 is a deficient number, since it is larger than the sum of its proper divisors (32463314907748).

38777514774428 is a wasteful number, since it uses less digits than its factorization.

38777514774428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618434 (or 3618432 counting only the distinct ones).

The product of its digits is 2065244160, while the sum is 74.

The spelling of 38777514774428 in words is "thirty-eight trillion, seven hundred seventy-seven billion, five hundred fourteen million, seven hundred seventy-four thousand, four hundred twenty-eight".