697143998976 has 320 divisors, whose sum is σ = 2034715769856. Its totient is φ = 211156992000.

The previous prime is 697143998963. The next prime is 697143999017. The reversal of 697143998976 is 679899341796.

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, 486491956 + ... + 486493388.

Almost surely, 2^697143998976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697143998976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017357884928).

697143998976 is an abundant number, since it is smaller than the sum of its proper divisors (1337571770880).

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

697143998976 is a wasteful number, since it uses less digits than its factorization.

697143998976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103 (or 2087 counting only the distinct ones).

The product of its digits is 1111065984, while the sum is 78.

The spelling of 697143998976 in words is "six hundred ninety-seven billion, one hundred forty-three million, nine hundred ninety-eight thousand, nine hundred seventy-six".