82690797 has 16 divisors (see below), whose sum is σ = 127887872. Its totient is φ = 46545840.

The previous prime is 82690781. The next prime is 82690847. The reversal of 82690797 is 79709628.

It is not a de Polignac number, because 82690797 - 2⁴ = 82690781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82690747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27979 + ... + 30792.

It is an arithmetic number, because the mean of its divisors is an integer number (7992992).

Almost surely, 2^82690797 is an apocalyptic number.

It is an amenable number.

82690797 is a deficient number, since it is larger than the sum of its proper divisors (45197075).

82690797 is a wasteful number, since it uses less digits than its factorization.

82690797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58848.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 82690797 is about 9093.4480259140. The cubic root of 82690797 is about 435.6647202855.

The spelling of 82690797 in words is "eighty-two million, six hundred ninety thousand, seven hundred ninety-seven".