697565479974 has 16 divisors (see below), whose sum is σ = 1521961047360. Its totient is φ = 211383478760.

The previous prime is 697565479973. The next prime is 697565479991. The reversal of 697565479974 is 479974565796.

It is a self number, because there is not a number n which added to its sum of digits gives 697565479974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697565479973) 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, 5284586904 + ... + 5284587035.

It is an arithmetic number, because the mean of its divisors is an integer number (95122565460).

Almost surely, 2^697565479974 is an apocalyptic number.

697565479974 is an abundant number, since it is smaller than the sum of its proper divisors (824395567386).

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

697565479974 is a wasteful number, since it uses less digits than its factorization.

697565479974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10569173955.

The product of its digits is 3600676800, while the sum is 78.

The spelling of 697565479974 in words is "six hundred ninety-seven billion, five hundred sixty-five million, four hundred seventy-nine thousand, nine hundred seventy-four".