677771078 has 16 divisors (see below), whose sum is σ = 1072806000. Its totient is φ = 320257152.

The previous prime is 677771077. The next prime is 677771141. The reversal of 677771078 is 870177776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677771077) 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, 6263 + ... + 37346.

It is an arithmetic number, because the mean of its divisors is an integer number (67050375).

Almost surely, 2^677771078 is an apocalyptic number.

677771078 is a deficient number, since it is larger than the sum of its proper divisors (395034922).

677771078 is a wasteful number, since it uses less digits than its factorization.

677771078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44039.

The product of its (nonzero) digits is 806736, while the sum is 50.

The square root of 677771078 is about 26034.0369132411. The cubic root of 677771078 is about 878.4040797549.

The spelling of 677771078 in words is "six hundred seventy-seven million, seven hundred seventy-one thousand, seventy-eight".