5312775881 has 4 divisors (see below), whose sum is σ = 6071743872. Its totient is φ = 4553807892.

The previous prime is 5312775863. The next prime is 5312775883. The reversal of 5312775881 is 1885772135.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5312775881 - 2⁶ = 5312775817 is a prime.

It is a super-2 number, since 2×5312775881² = 56451175123470652322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5312775883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379483985 + ... + 379483998.

It is an arithmetic number, because the mean of its divisors is an integer number (1517935968).

Almost surely, 2^5312775881 is an apocalyptic number.

It is an amenable number.

5312775881 is a deficient number, since it is larger than the sum of its proper divisors (758967991).

5312775881 is an equidigital number, since it uses as much as digits as its factorization.

5312775881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758967990.

The product of its digits is 470400, while the sum is 47.

The square root of 5312775881 is about 72888.7911890436. The cubic root of 5312775881 is about 1744.9132154441.

The spelling of 5312775881 in words is "five billion, three hundred twelve million, seven hundred seventy-five thousand, eight hundred eighty-one".