99922512479 has 2 divisors, whose sum is σ = 99922512480. Its totient is φ = 99922512478.

The previous prime is 99922512463. The next prime is 99922512511. The reversal of 99922512479 is 97421522999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99922512479 - 2⁴ = 99922512463 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99922512979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49961256239 + 49961256240.

It is an arithmetic number, because the mean of its divisors is an integer number (49961256240).

Almost surely, 2^99922512479 is an apocalyptic number.

99922512479 is a deficient number, since it is larger than the sum of its proper divisors (1).

99922512479 is an equidigital number, since it uses as much as digits as its factorization.

99922512479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 59.

The spelling of 99922512479 in words is "ninety-nine billion, nine hundred twenty-two million, five hundred twelve thousand, four hundred seventy-nine".