561967377 has 8 divisors (see below), whose sum is σ = 750306720. Its totient is φ = 374136480.

The previous prime is 561967363. The next prime is 561967397. The reversal of 561967377 is 773769165.

561967377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 561967377 - 2⁸ = 561967121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561967397) 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, 124524 + ... + 128957.

It is an arithmetic number, because the mean of its divisors is an integer number (93788340).

Almost surely, 2^561967377 is an apocalyptic number.

It is an amenable number.

561967377 is a deficient number, since it is larger than the sum of its proper divisors (188339343).

561967377 is a wasteful number, since it uses less digits than its factorization.

561967377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254223.

The product of its digits is 1666980, while the sum is 51.

The square root of 561967377 is about 23705.8511131746. The cubic root of 561967377 is about 825.2211844045.

The spelling of 561967377 in words is "five hundred sixty-one million, nine hundred sixty-seven thousand, three hundred seventy-seven".