368899477 has 2 divisors, whose sum is σ = 368899478. Its totient is φ = 368899476.

The previous prime is 368899379. The next prime is 368899483. The reversal of 368899477 is 774998863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298909521 + 69989956 = 17289^2 + 8366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-368899477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368899577) 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, 184449738 + 184449739.

It is an arithmetic number, because the mean of its divisors is an integer number (184449739).

Almost surely, 2^368899477 is an apocalyptic number.

It is an amenable number.

368899477 is a deficient number, since it is larger than the sum of its proper divisors (1).

368899477 is an equidigital number, since it uses as much as digits as its factorization.

368899477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18289152, while the sum is 61.

The square root of 368899477 is about 19206.7560248992. The cubic root of 368899477 is about 717.1929522643.

The spelling of 368899477 in words is "three hundred sixty-eight million, eight hundred ninety-nine thousand, four hundred seventy-seven".