82289697501 has 32 divisors (see below), whose sum is σ = 124384665600. Its totient is φ = 47939745600.

The previous prime is 82289697491. The next prime is 82289697521. The reversal of 82289697501 is 10579698228.

It is a happy number.

It is not a de Polignac number, because 82289697501 - 2⁶ = 82289697437 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82289697521) 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, 117505 + ... + 422358.

It is an arithmetic number, because the mean of its divisors is an integer number (3887020800).

Almost surely, 2^82289697501 is an apocalyptic number.

It is an amenable number.

82289697501 is a deficient number, since it is larger than the sum of its proper divisors (42094968099).

82289697501 is a wasteful number, since it uses less digits than its factorization.

82289697501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540057.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 82289697501 in words is "eighty-two billion, two hundred eighty-nine million, six hundred ninety-seven thousand, five hundred one".