77482272331 has 2 divisors, whose sum is σ = 77482272332. Its totient is φ = 77482272330.

The previous prime is 77482272323. The next prime is 77482272347. The reversal of 77482272331 is 13327228477.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77482272331 - 2³ = 77482272323 is a prime.

It is a super-2 number, since 2×77482272331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (77482272431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38741136165 + 38741136166.

It is an arithmetic number, because the mean of its divisors is an integer number (38741136166).

Almost surely, 2^77482272331 is an apocalyptic number.

77482272331 is a deficient number, since it is larger than the sum of its proper divisors (1).

77482272331 is an equidigital number, since it uses as much as digits as its factorization.

77482272331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 46.

The spelling of 77482272331 in words is "seventy-seven billion, four hundred eighty-two million, two hundred seventy-two thousand, three hundred thirty-one".