2157077800627 has 2 divisors, whose sum is σ = 2157077800628. Its totient is φ = 2157077800626.

The previous prime is 2157077800609. The next prime is 2157077800649. The reversal of 2157077800627 is 7260087707512.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2157077800627 is a prime.

It is not a weakly prime, because it can be changed into another prime (2157077806627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078538900313 + 1078538900314.

It is an arithmetic number, because the mean of its divisors is an integer number (1078538900314).

Almost surely, 2^{2157077800627} is an apocalyptic number.

2157077800627 is a deficient number, since it is larger than the sum of its proper divisors (1).

2157077800627 is an equidigital number, since it uses as much as digits as its factorization.

2157077800627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304960, while the sum is 52.

The spelling of 2157077800627 in words is "two trillion, one hundred fifty-seven billion, seventy-seven million, eight hundred thousand, six hundred twenty-seven".