420362977 has 2 divisors, whose sum is σ = 420362978. Its totient is φ = 420362976.

The previous prime is 420362963. The next prime is 420363001. The reversal of 420362977 is 779263024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412739856 + 7623121 = 20316^2 + 2761^2 .

It is a cyclic number.

It is not a de Polignac number, because 420362977 - 2⁷ = 420362849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (420362377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210181488 + 210181489.

It is an arithmetic number, because the mean of its divisors is an integer number (210181489).

Almost surely, 2^420362977 is an apocalyptic number.

It is an amenable number.

420362977 is a deficient number, since it is larger than the sum of its proper divisors (1).

420362977 is an equidigital number, since it uses as much as digits as its factorization.

420362977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 420362977 is about 20502.7553514156. The cubic root of 420362977 is about 749.1029137799.

The spelling of 420362977 in words is "four hundred twenty million, three hundred sixty-two thousand, nine hundred seventy-seven".