377638979798 has 8 divisors (see below), whose sum is σ = 570918772992. Its totient is φ = 187332722136.

The previous prime is 377638979779. The next prime is 377638979803. The reversal of 377638979798 is 897979836773.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×377638979798² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743383565 + ... + 743384072.

It is an arithmetic number, because the mean of its divisors is an integer number (71364846624).

Almost surely, 2^377638979798 is an apocalyptic number.

377638979798 is a deficient number, since it is larger than the sum of its proper divisors (193279793194).

377638979798 is a wasteful number, since it uses less digits than its factorization.

377638979798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486767766.

The product of its digits is 6049137024, while the sum is 83.

The spelling of 377638979798 in words is "three hundred seventy-seven billion, six hundred thirty-eight million, nine hundred seventy-nine thousand, seven hundred ninety-eight".