400802711 has 2 divisors, whose sum is σ = 400802712. Its totient is φ = 400802710.

The previous prime is 400802683. The next prime is 400802713. The reversal of 400802711 is 117208004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400802711 - 2¹⁴ = 400786327 is a prime.

Together with 400802713, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400802713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200401355 + 200401356.

It is an arithmetic number, because the mean of its divisors is an integer number (200401356).

Almost surely, 2^400802711 is an apocalyptic number.

400802711 is a deficient number, since it is larger than the sum of its proper divisors (1).

400802711 is an equidigital number, since it uses as much as digits as its factorization.

400802711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 400802711 is about 20020.0577171995. The cubic root of 400802711 is about 737.2988391706.

The spelling of 400802711 in words is "four hundred million, eight hundred two thousand, seven hundred eleven".