677903854 has 4 divisors (see below), whose sum is σ = 1016855784. Its totient is φ = 338951926.

The previous prime is 677903843. The next prime is 677903857. The reversal of 677903854 is 458309776.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 677903798 and 677903807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677903857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169475962 + ... + 169475965.

It is an arithmetic number, because the mean of its divisors is an integer number (254213946).

Almost surely, 2^677903854 is an apocalyptic number.

677903854 is a deficient number, since it is larger than the sum of its proper divisors (338951930).

677903854 is a wasteful number, since it uses less digits than its factorization.

677903854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338951929.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 677903854 is about 26036.5868346832. The cubic root of 677903854 is about 878.4614360751.

The spelling of 677903854 in words is "six hundred seventy-seven million, nine hundred three thousand, eight hundred fifty-four".