38401427322777 has 16 divisors (see below), whose sum is σ = 51261066000000. Its totient is φ = 25571386731264.

The previous prime is 38401427322743. The next prime is 38401427322799. The reversal of 38401427322777 is 77722372410483.

It is not a de Polignac number, because 38401427322777 - 2⁷ = 38401427322649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38401427320777) 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, 7164724 + ... + 11319722.

It is an arithmetic number, because the mean of its divisors is an integer number (3203816625000).

Almost surely, 2^{38401427322777} is an apocalyptic number.

It is an amenable number.

38401427322777 is a deficient number, since it is larger than the sum of its proper divisors (12859638677223).

38401427322777 is a wasteful number, since it uses less digits than its factorization.

38401427322777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158560.

The product of its (nonzero) digits is 22127616, while the sum is 57.

The spelling of 38401427322777 in words is "thirty-eight trillion, four hundred one billion, four hundred twenty-seven million, three hundred twenty-two thousand, seven hundred seventy-seven".