99876532429 has 2 divisors, whose sum is σ = 99876532430. Its totient is φ = 99876532428.

The previous prime is 99876532409. The next prime is 99876532453. The reversal of 99876532429 is 92423567899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94665136329 + 5211396100 = 307677^2 + 72190^2 .

It is a cyclic number.

It is not a de Polignac number, because 99876532429 - 2³³ = 91286597837 is a prime.

It is a super-3 number, since 3×99876532429³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99876532409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49938266214 + 49938266215.

It is an arithmetic number, because the mean of its divisors is an integer number (49938266215).

Almost surely, 2^99876532429 is an apocalyptic number.

It is an amenable number.

99876532429 is a deficient number, since it is larger than the sum of its proper divisors (1).

99876532429 is an equidigital number, since it uses as much as digits as its factorization.

99876532429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 64.

The spelling of 99876532429 in words is "ninety-nine billion, eight hundred seventy-six million, five hundred thirty-two thousand, four hundred twenty-nine".