747116480881 has 3 divisors (see below), whose sum is σ = 747117345241. Its totient is φ = 747115616522.

The previous prime is 747116480863. The next prime is 747116480897. The reversal of 747116480881 is 188084611747.

The square root of 747116480881 is 864359.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 747116480881 - 2²⁹ = 746579609969 is a prime.

It is a super-2 number, since 2×747116480881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747116480861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 432180 + ... + 1296538.

Almost surely, 2^747116480881 is an apocalyptic number.

747116480881 is the 864359-th square number.

747116480881 is the 432180-th centered octagonal number.

It is an amenable number.

747116480881 is a deficient number, since it is larger than the sum of its proper divisors (864360).

747116480881 is an frugal number, since it uses more digits than its factorization.

747116480881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728718 (or 864359 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 55.

The spelling of 747116480881 in words is "seven hundred forty-seven billion, one hundred sixteen million, four hundred eighty thousand, eight hundred eighty-one".