677044078 has 4 divisors (see below), whose sum is σ = 1015566120. Its totient is φ = 338522038.

The previous prime is 677044033. The next prime is 677044087. The reversal of 677044078 is 870440776.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169261018 + ... + 169261021.

It is an arithmetic number, because the mean of its divisors is an integer number (253891530).

Almost surely, 2^677044078 is an apocalyptic number.

677044078 is a deficient number, since it is larger than the sum of its proper divisors (338522042).

677044078 is a wasteful number, since it uses less digits than its factorization.

677044078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338522041.

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 677044078 is about 26020.0706763068. The cubic root of 677044078 is about 878.0898988312.

The spelling of 677044078 in words is "six hundred seventy-seven million, forty-four thousand, seventy-eight".