761484862161 has 15 divisors (see below), whose sum is σ = 1137538501561. Its totient is φ = 507651338988.

The previous prime is 761484862153. The next prime is 761484862163. The reversal of 761484862161 is 161268484167.

The square root of 761484862161 is 872631.

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

761484862161 is a `hidden beast` number, since 7 + 6 + 1 + 4 + 8 + 4 + 8 + 621 + 6 + 1 = 666.

It is not a de Polignac number, because 761484862161 - 2³ = 761484862153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 761484862098 and 761484862107.

It is not an unprimeable number, because it can be changed into a prime (761484862163) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 7805200 + ... + 7902158.

Almost surely, 2^761484862161 is an apocalyptic number.

761484862161 is the 872631-st square number.

761484862161 is the 436316-th centered octagonal number.

It is an amenable number.

761484862161 is a deficient number, since it is larger than the sum of its proper divisors (376053639400).

761484862161 is an frugal number, since it uses more digits than its factorization.

761484862161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193930 (or 96962 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 761484862161 in words is "seven hundred sixty-one billion, four hundred eighty-four million, eight hundred sixty-two thousand, one hundred sixty-one".