378676697 has 32 divisors (see below), whose sum is σ = 460615680. Its totient is φ = 304571520.

The previous prime is 378676663. The next prime is 378676699. The reversal of 378676697 is 796676873.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 378676697 - 2¹² = 378672601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378676699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 903554 + ... + 903972.

It is an arithmetic number, because the mean of its divisors is an integer number (14394240).

Almost surely, 2^378676697 is an apocalyptic number.

It is an amenable number.

378676697 is a deficient number, since it is larger than the sum of its proper divisors (81938983).

378676697 is a wasteful number, since it uses less digits than its factorization.

378676697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its digits is 16003008, while the sum is 59.

The square root of 378676697 is about 19459.6170825636. The cubic root of 378676697 is about 723.4738865993.

The spelling of 378676697 in words is "three hundred seventy-eight million, six hundred seventy-six thousand, six hundred ninety-seven".