99507743 has 2 divisors, whose sum is σ = 99507744. Its totient is φ = 99507742.

The previous prime is 99507721. The next prime is 99507767. The reversal of 99507743 is 34770599.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34770599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99507743 - 2⁸ = 99507487 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99507694 and 99507703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99507143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49753871 + 49753872.

It is an arithmetic number, because the mean of its divisors is an integer number (49753872).

Almost surely, 2^99507743 is an apocalyptic number.

99507743 is a deficient number, since it is larger than the sum of its proper divisors (1).

99507743 is an equidigital number, since it uses as much as digits as its factorization.

99507743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 99507743 is about 9975.3567855992. The cubic root of 99507743 is about 463.3960120279.

The spelling of 99507743 in words is "ninety-nine million, five hundred seven thousand, seven hundred forty-three".