99958751 has 2 divisors, whose sum is σ = 99958752. Its totient is φ = 99958750.

The previous prime is 99958739. The next prime is 99958757. The reversal of 99958751 is 15785999.

It is a strong prime.

It is an emirp because it is prime and its reverse (15785999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99958751 - 2²² = 95764447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99958693 and 99958702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99958757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49979375 + 49979376.

It is an arithmetic number, because the mean of its divisors is an integer number (49979376).

Almost surely, 2^99958751 is an apocalyptic number.

99958751 is a deficient number, since it is larger than the sum of its proper divisors (1).

99958751 is an equidigital number, since it uses as much as digits as its factorization.

99958751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1020600, while the sum is 53.

The square root of 99958751 is about 9997.9373372711. The cubic root of 99958751 is about 464.0950542849.

The spelling of 99958751 in words is "ninety-nine million, nine hundred fifty-eight thousand, seven hundred fifty-one".