377517868020 has 240 divisors, whose sum is σ = 1195644498048. Its totient is φ = 99710403840.

The previous prime is 377517868009. The next prime is 377517868037. The reversal of 377517868020 is 20868715773.

377517868020 is a `hidden beast` number, since 377 + 5 + 178 + 6 + 80 + 20 = 666.

It is a super-2 number, since 2×377517868020² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 82120362 + ... + 82124958.

Almost surely, 2^377517868020 is an apocalyptic number.

377517868020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 377517868020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597822249024).

377517868020 is an abundant number, since it is smaller than the sum of its proper divisors (818126630028).

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

377517868020 is a wasteful number, since it uses less digits than its factorization.

377517868020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092 (or 5081 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 54.

The spelling of 377517868020 in words is "three hundred seventy-seven billion, five hundred seventeen million, eight hundred sixty-eight thousand, twenty".