82699929 has 12 divisors (see below), whose sum is σ = 128644516. Its totient is φ = 50892192.

The previous prime is 82699919. The next prime is 82699937. The reversal of 82699929 is 92999628.

It can be written as a sum of positive squares in 2 ways, for example, as 52229529 + 30470400 = 7227^2 + 5520^2 .

It is not a de Polignac number, because 82699929 - 2⁹ = 82699417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82699919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353302 + ... + 353535.

Almost surely, 2^82699929 is an apocalyptic number.

It is an amenable number.

82699929 is a deficient number, since it is larger than the sum of its proper divisors (45944587).

82699929 is a wasteful number, since it uses less digits than its factorization.

82699929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706856 (or 706853 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 82699929 is about 9093.9501318184. The cubic root of 82699929 is about 435.6807573131.

The spelling of 82699929 in words is "eighty-two million, six hundred ninety-nine thousand, nine hundred twenty-nine".