377689986774 has 24 divisors (see below), whose sum is σ = 823820446800. Its totient is φ = 125051717328.

The previous prime is 377689986769. The next prime is 377689986823. The reversal of 377689986774 is 477689986773.

It is a super-2 number, since 2×377689986774² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 377689986693 and 377689986702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70409322 + ... + 70414685.

It is an arithmetic number, because the mean of its divisors is an integer number (34325851950).

Almost surely, 2^377689986774 is an apocalyptic number.

377689986774 is an abundant number, since it is smaller than the sum of its proper divisors (446130460026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

377689986774 is a wasteful number, since it uses less digits than its factorization.

377689986774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140824164 (or 140824161 counting only the distinct ones).

The product of its digits is 5377010688, while the sum is 81.

Subtracting 377689986774 from its reverse (477689986773), we obtain a palindrome (99999999999).

The spelling of 377689986774 in words is "three hundred seventy-seven billion, six hundred eighty-nine million, nine hundred eighty-six thousand, seven hundred seventy-four".