696991776 has 96 divisors (see below), whose sum is σ = 1975877568. Its totient is φ = 213857280.

The previous prime is 696991769. The next prime is 696991781. The reversal of 696991776 is 677199696.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682146 + ... + 683166.

It is an arithmetic number, because the mean of its divisors is an integer number (20582058).

Almost surely, 2^696991776 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 696991776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987938784).

696991776 is an abundant number, since it is smaller than the sum of its proper divisors (1278885792).

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

696991776 is a wasteful number, since it uses less digits than its factorization.

696991776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1586 counting only the distinct ones).

The product of its digits is 7715736, while the sum is 60.

The square root of 696991776 is about 26400.6018113224. The cubic root of 696991776 is about 886.6302638933.

The spelling of 696991776 in words is "six hundred ninety-six million, nine hundred ninety-one thousand, seven hundred seventy-six".