99762491 has 2 divisors, whose sum is σ = 99762492. Its totient is φ = 99762490.

The previous prime is 99762479. The next prime is 99762497. The reversal of 99762491 is 19426799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99762491 - 2⁶ = 99762427 is a prime.

It is a super-2 number, since 2×99762491² = 19905109221050162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99762497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49881245 + 49881246.

It is an arithmetic number, because the mean of its divisors is an integer number (49881246).

Almost surely, 2^99762491 is an apocalyptic number.

99762491 is a deficient number, since it is larger than the sum of its proper divisors (1).

99762491 is an equidigital number, since it uses as much as digits as its factorization.

99762491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 47.

The square root of 99762491 is about 9988.1174902982. The cubic root of 99762491 is about 463.7911190088.

The spelling of 99762491 in words is "ninety-nine million, seven hundred sixty-two thousand, four hundred ninety-one".