378767628 has 36 divisors (see below), whose sum is σ = 961189320. Its totient is φ = 125761536.

The previous prime is 378767573. The next prime is 378767639. The reversal of 378767628 is 826767873.

378767628 is a `hidden beast` number, since 3 + 7 + 8 + 7 + 6 + 7 + 628 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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, 11218 + ... + 29721.

Almost surely, 2^378767628 is an apocalyptic number.

It is an amenable number.

378767628 is an abundant number, since it is smaller than the sum of its proper divisors (582421692).

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

378767628 is a wasteful number, since it uses less digits than its factorization.

378767628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41206 (or 41201 counting only the distinct ones).

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

The square root of 378767628 is about 19461.9533449240. The cubic root of 378767628 is about 723.5317908216.

The spelling of 378767628 in words is "three hundred seventy-eight million, seven hundred sixty-seven thousand, six hundred twenty-eight".