560099978 has 4 divisors (see below), whose sum is σ = 840149970. Its totient is φ = 280049988.

The previous prime is 560099963. The next prime is 560099999. The reversal of 560099978 is 879990065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 559937569 + 162409 = 23663^2 + 403^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140024993 + ... + 140024996.

Almost surely, 2^560099978 is an apocalyptic number.

560099978 is a deficient number, since it is larger than the sum of its proper divisors (280049992).

560099978 is a wasteful number, since it uses less digits than its factorization.

560099978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280049991.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 560099978 is about 23666.4314589251. The cubic root of 560099978 is about 824.3061091693.

The spelling of 560099978 in words is "five hundred sixty million, ninety-nine thousand, nine hundred seventy-eight".