700056778 has 8 divisors (see below), whose sum is σ = 1050412068. Its totient is φ = 349919424.

The previous prime is 700056769. The next prime is 700056779. The reversal of 700056778 is 877650007.

It can be written as a sum of positive squares in 2 ways, for example, as 695007769 + 5049009 = 26363^2 + 2247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 700056778.

It is not an unprimeable number, because it can be changed into a prime (700056779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46201 + ... + 59452.

Almost surely, 2^700056778 is an apocalyptic number.

700056778 is a deficient number, since it is larger than the sum of its proper divisors (350355290).

700056778 is a wasteful number, since it uses less digits than its factorization.

700056778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108968.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 700056778 is about 26458.5860922310. The cubic root of 700056778 is about 887.9280074809.

The spelling of 700056778 in words is "seven hundred million, fifty-six thousand, seven hundred seventy-eight".