373681004778 has 40 divisors (see below), whose sum is σ = 841948407300. Its totient is φ = 123872146560.

The previous prime is 373681004777. The next prime is 373681004783. The reversal of 373681004778 is 877400186373.

373681004778 is a `hidden beast` number, since 3 + 7 + 3 + 68 + 100 + 477 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 310932257769 + 62748747009 = 557613^2 + 250497^2 .

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

It is not an unprimeable number, because it can be changed into a prime (373681004777) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6342703 + ... + 6401346.

Almost surely, 2^373681004778 is an apocalyptic number.

373681004778 is an abundant number, since it is smaller than the sum of its proper divisors (468267402522).

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

373681004778 is a wasteful number, since it uses less digits than its factorization.

373681004778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12744244 (or 12744235 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 373681004778 in words is "three hundred seventy-three billion, six hundred eighty-one million, four thousand, seven hundred seventy-eight".