82797802 has 4 divisors (see below), whose sum is σ = 124196706. Its totient is φ = 41398900.

The previous prime is 82797797. The next prime is 82797809. The reversal of 82797802 is 20879728.

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

It can be written as a sum of positive squares in only one way, i.e., 56265001 + 26532801 = 7501^2 + 5151^2 .

It is not an unprimeable number, because it can be changed into a prime (82797809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20699449 + ... + 20699452.

Almost surely, 2^82797802 is an apocalyptic number.

82797802 is a deficient number, since it is larger than the sum of its proper divisors (41398904).

82797802 is a wasteful number, since it uses less digits than its factorization.

82797802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41398903.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 82797802 is about 9099.3297555369. The cubic root of 82797802 is about 435.8525614597.

The spelling of 82797802 in words is "eighty-two million, seven hundred ninety-seven thousand, eight hundred two".