677479936 has 80 divisors (see below), whose sum is σ = 1554141600. Its totient is φ = 289013760.

The previous prime is 677479909. The next prime is 677479939. The reversal of 677479936 is 639974776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677479939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508640 + ... + 1509088.

It is an arithmetic number, because the mean of its divisors is an integer number (19426770).

Almost surely, 2^677479936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677479936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777070800).

677479936 is an abundant number, since it is smaller than the sum of its proper divisors (876661664).

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

677479936 is an equidigital number, since it uses as much as digits as its factorization.

677479936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 879 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 58.

The square root of 677479936 is about 26028.4447480060. Note that the first 3 decimals coincide. The cubic root of 677479936 is about 878.2782865699.

The spelling of 677479936 in words is "six hundred seventy-seven million, four hundred seventy-nine thousand, nine hundred thirty-six".