677440850 has 48 divisors (see below), whose sum is σ = 1318308480. Its totient is φ = 258508800.

The previous prime is 677440849. The next prime is 677440913. The reversal of 677440850 is 58044776.

It is a super-2 number, since 2×677440850² = 917852210497445000, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 677440798 and 677440807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 736691 + ... + 737609.

It is an arithmetic number, because the mean of its divisors is an integer number (27464760).

Almost surely, 2^677440850 is an apocalyptic number.

677440850 is a deficient number, since it is larger than the sum of its proper divisors (640867630).

677440850 is a wasteful number, since it uses less digits than its factorization.

677440850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 677440850 is about 26027.6939047623. The cubic root of 677440850 is about 878.2613960105.

The spelling of 677440850 in words is "six hundred seventy-seven million, four hundred forty thousand, eight hundred fifty".