677894506790 has 32 divisors (see below), whose sum is σ = 1249053553440. Its totient is φ = 264752861184.

The previous prime is 677894506697. The next prime is 677894506841. The reversal of 677894506790 is 97605498776.

677894506790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×677894506790² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 677894506790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863132 + ... + 1449408.

It is an arithmetic number, because the mean of its divisors is an integer number (39032923545).

Almost surely, 2^677894506790 is an apocalyptic number.

677894506790 is a deficient number, since it is larger than the sum of its proper divisors (571159046650).

677894506790 is a wasteful number, since it uses less digits than its factorization.

677894506790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589016.

The product of its (nonzero) digits is 160030080, while the sum is 68.

The spelling of 677894506790 in words is "six hundred seventy-seven billion, eight hundred ninety-four million, five hundred six thousand, seven hundred ninety".