378428110774776 has 96 divisors (see below), whose sum is σ = 1050267209518800. Its totient is φ = 123023860231680.

The previous prime is 378428110774751. The next prime is 378428110774787. The reversal of 378428110774776 is 677477011824873.

378428110774776 is a `hidden beast` number, since 3 + 7 + 8 + 4 + 2 + 81 + 1 + 0 + 77 + 477 + 6 = 666.

It is a super-2 number, since 2×378428110774776² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13362586 + ... + 30584553.

Almost surely, 2^{378428110774776} is an apocalyptic number.

378428110774776 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

378428110774776 is an abundant number, since it is smaller than the sum of its proper divisors (671839098744024).

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

378428110774776 is a wasteful number, since it uses less digits than its factorization.

378428110774776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43950109 (or 43950102 counting only the distinct ones).

The product of its (nonzero) digits is 619573248, while the sum is 72.

The spelling of 378428110774776 in words is "three hundred seventy-eight trillion, four hundred twenty-eight billion, one hundred ten million, seven hundred seventy-four thousand, seven hundred seventy-six".