992378311 has 2 divisors, whose sum is σ = 992378312. Its totient is φ = 992378310.

The previous prime is 992378287. The next prime is 992378333. The reversal of 992378311 is 113873299.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-992378311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992378711) 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, 496189155 + 496189156.

It is an arithmetic number, because the mean of its divisors is an integer number (496189156).

Almost surely, 2^992378311 is an apocalyptic number.

992378311 is a deficient number, since it is larger than the sum of its proper divisors (1).

992378311 is an equidigital number, since it uses as much as digits as its factorization.

992378311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 43.

The square root of 992378311 is about 31502.0366167015. The cubic root of 992378311 is about 997.4529550701.

The spelling of 992378311 in words is "nine hundred ninety-two million, three hundred seventy-eight thousand, three hundred eleven".