378616776 has 16 divisors (see below), whose sum is σ = 946542000. Its totient is φ = 126205584.

The previous prime is 378616757. The next prime is 378616787. The reversal of 378616776 is 677616873.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7887826 + ... + 7887873.

It is an arithmetic number, because the mean of its divisors is an integer number (59158875).

Almost surely, 2^378616776 is an apocalyptic number.

It is an amenable number.

378616776 is an abundant number, since it is smaller than the sum of its proper divisors (567925224).

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

378616776 is a wasteful number, since it uses less digits than its factorization.

378616776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15775708 (or 15775704 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 51.

The square root of 378616776 is about 19458.0773973175. The cubic root of 378616776 is about 723.4357242602.

The spelling of 378616776 in words is "three hundred seventy-eight million, six hundred sixteen thousand, seven hundred seventy-six".