612777131467 has 2 divisors, whose sum is σ = 612777131468. Its totient is φ = 612777131466.

The previous prime is 612777131443. The next prime is 612777131497. The reversal of 612777131467 is 764131777216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612777131467 - 2¹⁵ = 612777098699 is a prime.

It is not a weakly prime, because it can be changed into another prime (612777131497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306388565733 + 306388565734.

It is an arithmetic number, because the mean of its divisors is an integer number (306388565734).

Almost surely, 2^612777131467 is an apocalyptic number.

612777131467 is a deficient number, since it is larger than the sum of its proper divisors (1).

612777131467 is an equidigital number, since it uses as much as digits as its factorization.

612777131467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2074464, while the sum is 52.

The spelling of 612777131467 in words is "six hundred twelve billion, seven hundred seventy-seven million, one hundred thirty-one thousand, four hundred sixty-seven".