56867463961 has 81 divisors (see below), whose sum is σ = 77214554613. Its totient is φ = 41722536240.

The previous prime is 56867463931. The next prime is 56867464001. The reversal of 56867463961 is 16936476865.

The square root of 56867463961 is 238469.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 56867463961 - 2⁹ = 56867463449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56867463961.

It is not an unprimeable number, because it can be changed into a prime (56867463911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 348880066 + ... + 348880228.

Almost surely, 2^56867463961 is an apocalyptic number.

56867463961 is the 238469-th square number.

56867463961 is the 119235-th centered octagonal number.

It is an amenable number.

56867463961 is a deficient number, since it is larger than the sum of its proper divisors (20347090652).

56867463961 is a wasteful number, since it uses less digits than its factorization.

56867463961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 200 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 61.

It can be divided in two parts, 5686 and 7463961, that added together give a palindrome (7469647).

The spelling of 56867463961 in words is "fifty-six billion, eight hundred sixty-seven million, four hundred sixty-three thousand, nine hundred sixty-one".