696978465 has 16 divisors (see below), whose sum is σ = 1126664448. Its totient is φ = 367888896.

The previous prime is 696978449. The next prime is 696978467. The reversal of 696978465 is 564879696.

It is not a de Polignac number, because 696978465 - 2⁴ = 696978449 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 696978399 and 696978408.

It is not an unprimeable number, because it can be changed into a prime (696978467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238057 + ... + 240966.

It is an arithmetic number, because the mean of its divisors is an integer number (70416528).

Almost surely, 2^696978465 is an apocalyptic number.

It is an amenable number.

696978465 is a deficient number, since it is larger than the sum of its proper divisors (429685983).

696978465 is a wasteful number, since it uses less digits than its factorization.

696978465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479128.

The product of its digits is 19595520, while the sum is 60.

The square root of 696978465 is about 26400.3497135928. The cubic root of 696978465 is about 886.6246196322.

The spelling of 696978465 in words is "six hundred ninety-six million, nine hundred seventy-eight thousand, four hundred sixty-five".