696778445 has 16 divisors (see below), whose sum is σ = 951806592. Its totient is φ = 484714560.

The previous prime is 696778427. The next prime is 696778457. The reversal of 696778445 is 544877696.

It is not a de Polignac number, because 696778445 - 2¹² = 696774349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274142 + ... + 276671.

It is an arithmetic number, because the mean of its divisors is an integer number (59487912).

Almost surely, 2^696778445 is an apocalyptic number.

It is an amenable number.

696778445 is a deficient number, since it is larger than the sum of its proper divisors (255028147).

696778445 is a wasteful number, since it uses less digits than its factorization.

696778445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550852.

The product of its digits is 10160640, while the sum is 56.

The square root of 696778445 is about 26396.5612343729. The cubic root of 696778445 is about 886.5397965314.

The spelling of 696778445 in words is "six hundred ninety-six million, seven hundred seventy-eight thousand, four hundred forty-five".