677120663992 has 16 divisors (see below), whose sum is σ = 1270276952400. Its totient is φ = 338380143360.

The previous prime is 677120663969. The next prime is 677120663993. The reversal of 677120663992 is 299366021776.

It is a happy number.

677120663992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677120663993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22507609 + ... + 22537672.

It is an arithmetic number, because the mean of its divisors is an integer number (79392309525).

Almost surely, 2^677120663992 is an apocalyptic number.

It is an amenable number.

677120663992 is a deficient number, since it is larger than the sum of its proper divisors (593156288408).

677120663992 is a wasteful number, since it uses less digits than its factorization.

677120663992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45047166 (or 45047162 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 677120663992 in words is "six hundred seventy-seven billion, one hundred twenty million, six hundred sixty-three thousand, nine hundred ninety-two".