377694638828 has 24 divisors (see below), whose sum is σ = 742757352288. Its totient is φ = 166741445376.

The previous prime is 377694638813. The next prime is 377694638869. The reversal of 377694638828 is 828836496773.

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, 157897901 + ... + 157900292.

It is an arithmetic number, because the mean of its divisors is an integer number (30948223012).

Almost surely, 2^377694638828 is an apocalyptic number.

It is an amenable number.

377694638828 is a deficient number, since it is larger than the sum of its proper divisors (365062713460).

377694638828 is a wasteful number, since it uses less digits than its factorization.

377694638828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315798233 (or 315798231 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 71.

The spelling of 377694638828 in words is "three hundred seventy-seven billion, six hundred ninety-four million, six hundred thirty-eight thousand, eight hundred twenty-eight".