697825374890 has 64 divisors (see below), whose sum is σ = 1511806464000. Its totient is φ = 226553184576.

The previous prime is 697825374889. The next prime is 697825374943. The reversal of 697825374890 is 98473528796.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 697825374890.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2666687 + ... + 2916653.

It is an arithmetic number, because the mean of its divisors is an integer number (23621976000).

Almost surely, 2^697825374890 is an apocalyptic number.

697825374890 is an abundant number, since it is smaller than the sum of its proper divisors (813981089110).

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

697825374890 is a wasteful number, since it uses less digits than its factorization.

697825374890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252099.

The product of its (nonzero) digits is 182891520, while the sum is 68.

The spelling of 697825374890 in words is "six hundred ninety-seven billion, eight hundred twenty-five million, three hundred seventy-four thousand, eight hundred ninety".