8714991977 has 2 divisors, whose sum is σ = 8714991978. Its totient is φ = 8714991976.

The previous prime is 8714991973. The next prime is 8714991997. The reversal of 8714991977 is 7791994178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4688962576 + 4026029401 = 68476^2 + 63451^2 .

It is a cyclic number.

It is not a de Polignac number, because 8714991977 - 2² = 8714991973 is a prime.

It is not a weakly prime, because it can be changed into another prime (8714991973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4357495988 + 4357495989.

It is an arithmetic number, because the mean of its divisors is an integer number (4357495989).

Almost surely, 2^8714991977 is an apocalyptic number.

It is an amenable number.

8714991977 is a deficient number, since it is larger than the sum of its proper divisors (1).

8714991977 is an equidigital number, since it uses as much as digits as its factorization.

8714991977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8001504, while the sum is 62.

The square root of 8714991977 is about 93354.1213712603. The cubic root of 8714991977 is about 2057.8908233476.

The spelling of 8714991977 in words is "eight billion, seven hundred fourteen million, nine hundred ninety-one thousand, nine hundred seventy-seven".