677678120379 has 48 divisors (see below), whose sum is σ = 1076296297440. Its totient is φ = 408360061440.

The previous prime is 677678120377. The next prime is 677678120387. The reversal of 677678120379 is 973021876776.

677678120379 is a `hidden beast` number, since 6 + 7 + 76 + 78 + 120 + 379 = 666.

It is not a de Polignac number, because 677678120379 - 2¹ = 677678120377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677678120377) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 901789 + ... + 1472609.

It is an arithmetic number, because the mean of its divisors is an integer number (22422839530).

Almost surely, 2^677678120379 is an apocalyptic number.

677678120379 is a deficient number, since it is larger than the sum of its proper divisors (398618177061).

677678120379 is a wasteful number, since it uses less digits than its factorization.

677678120379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571052 (or 571049 counting only the distinct ones).

The product of its (nonzero) digits is 37340352, while the sum is 63.

The spelling of 677678120379 in words is "six hundred seventy-seven billion, six hundred seventy-eight million, one hundred twenty thousand, three hundred seventy-nine".