999077903 has 2 divisors, whose sum is σ = 999077904. Its totient is φ = 999077902.

The previous prime is 999077899. The next prime is 999077917. The reversal of 999077903 is 309770999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999077903 - 2² = 999077899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999077983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499538951 + 499538952.

It is an arithmetic number, because the mean of its divisors is an integer number (499538952).

Almost surely, 2^999077903 is an apocalyptic number.

999077903 is a deficient number, since it is larger than the sum of its proper divisors (1).

999077903 is an equidigital number, since it uses as much as digits as its factorization.

999077903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 964467, while the sum is 53.

The square root of 999077903 is about 31608.1936054562. The cubic root of 999077903 is about 999.6925398113.

The spelling of 999077903 in words is "nine hundred ninety-nine million, seventy-seven thousand, nine hundred three".