697077677634 has 48 divisors (see below), whose sum is σ = 1510036780032. Its totient is φ = 214430134464.

The previous prime is 697077677581. The next prime is 697077677677. The reversal of 697077677634 is 436776770796.

It is a super-2 number, since 2×697077677634² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3935892 + ... + 4109184.

It is an arithmetic number, because the mean of its divisors is an integer number (31459099584).

Almost surely, 2^697077677634 is an apocalyptic number.

697077677634 is an abundant number, since it is smaller than the sum of its proper divisors (812959102398).

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

697077677634 is a wasteful number, since it uses less digits than its factorization.

697077677634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177291 (or 177278 counting only the distinct ones).

The product of its (nonzero) digits is 392073696, while the sum is 69.

The spelling of 697077677634 in words is "six hundred ninety-seven billion, seventy-seven million, six hundred seventy-seven thousand, six hundred thirty-four".