82290236851 has 4 divisors (see below), whose sum is σ = 82291502272. Its totient is φ = 82288971432.

The previous prime is 82290236789. The next prime is 82290236911. The reversal of 82290236851 is 15863209228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82290236851 - 2⁷ = 82290236723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82290236051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529560 + ... + 667093.

It is an arithmetic number, because the mean of its divisors is an integer number (20572875568).

Almost surely, 2^82290236851 is an apocalyptic number.

82290236851 is a deficient number, since it is larger than the sum of its proper divisors (1265421).

82290236851 is a wasteful number, since it uses less digits than its factorization.

82290236851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265420.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 82290236851 in words is "eighty-two billion, two hundred ninety million, two hundred thirty-six thousand, eight hundred fifty-one".