677666352 has 80 divisors (see below), whose sum is σ = 1913448960. Its totient is φ = 204960000.

The previous prime is 677666329. The next prime is 677666357. The reversal of 677666352 is 253666776.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (677666357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395674 + ... + 397382.

It is an arithmetic number, because the mean of its divisors is an integer number (23918112).

Almost surely, 2^677666352 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 677666352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (956724480).

677666352 is an abundant number, since it is smaller than the sum of its proper divisors (1235782608).

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

677666352 is a wasteful number, since it uses less digits than its factorization.

677666352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482 (or 2476 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 48.

The square root of 677666352 is about 26032.0255070557. The cubic root of 677666352 is about 878.3588351351.

The spelling of 677666352 in words is "six hundred seventy-seven million, six hundred sixty-six thousand, three hundred fifty-two".