812742607 has 2 divisors, whose sum is σ = 812742608. Its totient is φ = 812742606.

The previous prime is 812742587. The next prime is 812742617. The reversal of 812742607 is 706247218.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 812742607 - 2⁷ = 812742479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (812742617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406371303 + 406371304.

It is an arithmetic number, because the mean of its divisors is an integer number (406371304).

Almost surely, 2^812742607 is an apocalyptic number.

812742607 is a deficient number, since it is larger than the sum of its proper divisors (1).

812742607 is an equidigital number, since it uses as much as digits as its factorization.

812742607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 812742607 is about 28508.6409181497. The cubic root of 812742607 is about 933.2206551756.

The spelling of 812742607 in words is "eight hundred twelve million, seven hundred forty-two thousand, six hundred seven".