82864869782 has 8 divisors (see below), whose sum is σ = 126047971152. Its totient is φ = 40848879400.

The previous prime is 82864869781. The next prime is 82864869811. The reversal of 82864869782 is 28796846828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82864869781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291777569 + ... + 291777852.

It is an arithmetic number, because the mean of its divisors is an integer number (15755996394).

Almost surely, 2^82864869782 is an apocalyptic number.

82864869782 is a deficient number, since it is larger than the sum of its proper divisors (43183101370).

82864869782 is a wasteful number, since it uses less digits than its factorization.

82864869782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583555494.

The product of its digits is 148635648, while the sum is 68.

The spelling of 82864869782 in words is "eighty-two billion, eight hundred sixty-four million, eight hundred sixty-nine thousand, seven hundred eighty-two".