560777421 has 8 divisors (see below), whose sum is σ = 780212160. Its totient is φ = 357597152.

The previous prime is 560777417. The next prime is 560777447. The reversal of 560777421 is 124777065.

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

It is a cyclic number.

It is not a de Polignac number, because 560777421 - 2² = 560777417 is a prime.

It is a super-2 number, since 2×560777421² = 628942631806822482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 560777421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (560777401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4063536 + ... + 4063673.

It is an arithmetic number, because the mean of its divisors is an integer number (97526520).

Almost surely, 2^560777421 is an apocalyptic number.

It is an amenable number.

560777421 is a deficient number, since it is larger than the sum of its proper divisors (219434739).

560777421 is a wasteful number, since it uses less digits than its factorization.

560777421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8127235.

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 560777421 is about 23680.7394521370. The cubic root of 560777421 is about 824.6383090380.

It can be divided in two parts, 5607 and 77421, that added together give a triangular number (83028 = T₄₀₇).

The spelling of 560777421 in words is "five hundred sixty million, seven hundred seventy-seven thousand, four hundred twenty-one".