677535434634 has 16 divisors (see below), whose sum is σ = 1356605501472. Its totient is φ = 225589372848.

The previous prime is 677535434633. The next prime is 677535434647. The reversal of 677535434634 is 436434535776.

It is not an unprimeable number, because it can be changed into a prime (677535434633) 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, 63937269 + ... + 63947864.

It is an arithmetic number, because the mean of its divisors is an integer number (84787843842).

Almost surely, 2^677535434634 is an apocalyptic number.

677535434634 is an abundant number, since it is smaller than the sum of its proper divisors (679070066838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677535434634 is a wasteful number, since it uses less digits than its factorization.

677535434634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127886021.

The product of its digits is 76204800, while the sum is 57.

The spelling of 677535434634 in words is "six hundred seventy-seven billion, five hundred thirty-five million, four hundred thirty-four thousand, six hundred thirty-four".