82699694490 has 64 divisors (see below), whose sum is σ = 229171993344. Its totient is φ = 18707908608.

The previous prime is 82699694477. The next prime is 82699694491. The reversal of 82699694490 is 9449699628.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82699694491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2009569 + ... + 2050308.

It is an arithmetic number, because the mean of its divisors is an integer number (3580812396).

Almost surely, 2^82699694490 is an apocalyptic number.

82699694490 is an abundant number, since it is smaller than the sum of its proper divisors (146472298854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82699694490 is a wasteful number, since it uses less digits than its factorization.

82699694490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4059991.

The product of its (nonzero) digits is 60466176, while the sum is 66.

The spelling of 82699694490 in words is "eighty-two billion, six hundred ninety-nine million, six hundred ninety-four thousand, four hundred ninety".