677378799 has 24 divisors (see below), whose sum is σ = 1011533952. Its totient is φ = 436354560.

The previous prime is 677378771. The next prime is 677378803. The reversal of 677378799 is 997873776.

It is a de Polignac number, because none of the positive numbers 2^k-677378799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677378759) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237687 + ... + 240519.

It is an arithmetic number, because the mean of its divisors is an integer number (42147248).

Almost surely, 2^677378799 is an apocalyptic number.

677378799 is a deficient number, since it is larger than the sum of its proper divisors (334155153).

677378799 is a wasteful number, since it uses less digits than its factorization.

677378799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727 (or 3724 counting only the distinct ones).

The product of its digits is 28005264, while the sum is 63.

The square root of 677378799 is about 26026.5018586824. The cubic root of 677378799 is about 878.2345800595.

The spelling of 677378799 in words is "six hundred seventy-seven million, three hundred seventy-eight thousand, seven hundred ninety-nine".