696648057 has 16 divisors (see below), whose sum is σ = 1064245632. Its totient is φ = 397077120.

The previous prime is 696648037. The next prime is 696648079. The reversal of 696648057 is 750846696.

It is not a de Polignac number, because 696648057 - 2¹⁰ = 696647033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (696648037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33444 + ... + 50117.

It is an arithmetic number, because the mean of its divisors is an integer number (66515352).

Almost surely, 2^696648057 is an apocalyptic number.

It is an amenable number.

696648057 is a deficient number, since it is larger than the sum of its proper divisors (367597575).

696648057 is a wasteful number, since it uses less digits than its factorization.

696648057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83968.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 696648057 is about 26394.0913274164. The cubic root of 696648057 is about 886.4844937481.

The spelling of 696648057 in words is "six hundred ninety-six million, six hundred forty-eight thousand, fifty-seven".