1402199977 has 2 divisors, whose sum is σ = 1402199978. Its totient is φ = 1402199976.

The previous prime is 1402199917. The next prime is 1402199999. The reversal of 1402199977 is 7799912041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1266221056 + 135978921 = 35584^2 + 11661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402199977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1402199977.

It is not a weakly prime, because it can be changed into another prime (1402199917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701099988 + 701099989.

It is an arithmetic number, because the mean of its divisors is an integer number (701099989).

Almost surely, 2^1402199977 is an apocalyptic number.

It is an amenable number.

1402199977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402199977 is an equidigital number, since it uses as much as digits as its factorization.

1402199977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 1402199977 is about 37445.9607568026. The cubic root of 1402199977 is about 1119.2746092095.

The spelling of 1402199977 in words is "one billion, four hundred two million, one hundred ninety-nine thousand, nine hundred seventy-seven".