99076409 has 2 divisors, whose sum is σ = 99076410. Its totient is φ = 99076408.

The previous prime is 99076381. The next prime is 99076427. The reversal of 99076409 is 90467099.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98565184 + 511225 = 9928^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 99076409 - 2¹² = 99072313 is a prime.

It is a super-2 number, since 2×99076409² = 19632269640670562, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99076409.

It is not a weakly prime, because it can be changed into another prime (99076489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49538204 + 49538205.

It is an arithmetic number, because the mean of its divisors is an integer number (49538205).

Almost surely, 2^99076409 is an apocalyptic number.

It is an amenable number.

99076409 is a deficient number, since it is larger than the sum of its proper divisors (1).

99076409 is an equidigital number, since it uses as much as digits as its factorization.

99076409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 99076409 is about 9953.7133271960. The cubic root of 99076409 is about 462.7254847912.

The spelling of 99076409 in words is "ninety-nine million, seventy-six thousand, four hundred nine".