801423977 has 2 divisors, whose sum is σ = 801423978. Its totient is φ = 801423976.

The previous prime is 801423923. The next prime is 801424027. The reversal of 801423977 is 779324108.

801423977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602162521 + 199261456 = 24539^2 + 14116^2 .

It is a cyclic number.

It is not a de Polignac number, because 801423977 - 2¹² = 801419881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (801423277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400711988 + 400711989.

It is an arithmetic number, because the mean of its divisors is an integer number (400711989).

Almost surely, 2^801423977 is an apocalyptic number.

It is an amenable number.

801423977 is a deficient number, since it is larger than the sum of its proper divisors (1).

801423977 is an equidigital number, since it uses as much as digits as its factorization.

801423977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 801423977 is about 28309.4326506202. The cubic root of 801423977 is about 928.8682332253.

The spelling of 801423977 in words is "eight hundred one million, four hundred twenty-three thousand, nine hundred seventy-seven".