402303201977 has 2 divisors, whose sum is σ = 402303201978. Its totient is φ = 402303201976.

The previous prime is 402303201967. The next prime is 402303202019. The reversal of 402303201977 is 779102303204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257200108201 + 145103093776 = 507149^2 + 380924^2 .

It is a cyclic number.

It is not a de Polignac number, because 402303201977 - 2⁶ = 402303201913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402303201977.

It is not a weakly prime, because it can be changed into another prime (402303201917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201151600988 + 201151600989.

It is an arithmetic number, because the mean of its divisors is an integer number (201151600989).

Almost surely, 2^402303201977 is an apocalyptic number.

It is an amenable number.

402303201977 is a deficient number, since it is larger than the sum of its proper divisors (1).

402303201977 is an equidigital number, since it uses as much as digits as its factorization.

402303201977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 402303201977 in words is "four hundred two billion, three hundred three million, two hundred one thousand, nine hundred seventy-seven".