2077947398231 has 2 divisors, whose sum is σ = 2077947398232. Its totient is φ = 2077947398230.

The previous prime is 2077947398159. The next prime is 2077947398239. The reversal of 2077947398231 is 1328937497702.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2077947398231 is a prime.

It is a super-2 number, since 2×2077947398231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2077947398239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038973699115 + 1038973699116.

It is an arithmetic number, because the mean of its divisors is an integer number (1038973699116).

Almost surely, 2^{2077947398231} is an apocalyptic number.

2077947398231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2077947398231 is an equidigital number, since it uses as much as digits as its factorization.

2077947398231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32006016, while the sum is 62.

The spelling of 2077947398231 in words is "two trillion, seventy-seven billion, nine hundred forty-seven million, three hundred ninety-eight thousand, two hundred thirty-one".