82773723 has 4 divisors (see below), whose sum is σ = 110364968. Its totient is φ = 55182480.

The previous prime is 82773701. The next prime is 82773737. The reversal of 82773723 is 32737728.

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

It is not a de Polignac number, because 82773723 - 2¹³ = 82765531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82773763) 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, 13795618 + ... + 13795623.

It is an arithmetic number, because the mean of its divisors is an integer number (27591242).

Almost surely, 2^82773723 is an apocalyptic number.

82773723 is a deficient number, since it is larger than the sum of its proper divisors (27591245).

82773723 is a wasteful number, since it uses less digits than its factorization.

82773723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27591244.

The product of its digits is 98784, while the sum is 39.

The square root of 82773723 is about 9098.0065398965. The cubic root of 82773723 is about 435.8103062665.

The spelling of 82773723 in words is "eighty-two million, seven hundred seventy-three thousand, seven hundred twenty-three".