612147677 has 2 divisors, whose sum is σ = 612147678. Its totient is φ = 612147676.

The previous prime is 612147649. The next prime is 612147703. The reversal of 612147677 is 776741216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 465955396 + 146192281 = 21586^2 + 12091^2 .

It is a cyclic number.

It is not a de Polignac number, because 612147677 - 2²² = 607953373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612147617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306073838 + 306073839.

It is an arithmetic number, because the mean of its divisors is an integer number (306073839).

Almost surely, 2^612147677 is an apocalyptic number.

It is an amenable number.

612147677 is a deficient number, since it is larger than the sum of its proper divisors (1).

612147677 is an equidigital number, since it uses as much as digits as its factorization.

612147677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 41.

The square root of 612147677 is about 24741.6183181295. The cubic root of 612147677 is about 849.0867594188.

The spelling of 612147677 in words is "six hundred twelve million, one hundred forty-seven thousand, six hundred seventy-seven".