627376091 has 2 divisors, whose sum is σ = 627376092. Its totient is φ = 627376090.

The previous prime is 627376021. The next prime is 627376097. The reversal of 627376091 is 190673726.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 627376091 - 2¹⁸ = 627113947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (627376097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313688045 + 313688046.

It is an arithmetic number, because the mean of its divisors is an integer number (313688046).

Almost surely, 2^627376091 is an apocalyptic number.

627376091 is a deficient number, since it is larger than the sum of its proper divisors (1).

627376091 is an equidigital number, since it uses as much as digits as its factorization.

627376091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 627376091 is about 25047.4767391847. The cubic root of 627376091 is about 856.0700854449.

The spelling of 627376091 in words is "six hundred twenty-seven million, three hundred seventy-six thousand, ninety-one".