99620263 has 2 divisors, whose sum is σ = 99620264. Its totient is φ = 99620262.

The previous prime is 99620237. The next prime is 99620273. The reversal of 99620263 is 36202699.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99620263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99620273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49810131 + 49810132.

It is an arithmetic number, because the mean of its divisors is an integer number (49810132).

Almost surely, 2^99620263 is an apocalyptic number.

99620263 is a deficient number, since it is larger than the sum of its proper divisors (1).

99620263 is an equidigital number, since it uses as much as digits as its factorization.

99620263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 99620263 is about 9980.9950906711. The cubic root of 99620263 is about 463.5706104288.

The spelling of 99620263 in words is "ninety-nine million, six hundred twenty thousand, two hundred sixty-three".