82698782 has 4 divisors (see below), whose sum is σ = 124048176. Its totient is φ = 41349390.

The previous prime is 82698767. The next prime is 82698787. The reversal of 82698782 is 28789628.

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

It is a self number, because there is not a number n which added to its sum of digits gives 82698782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82698787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20674694 + ... + 20674697.

It is an arithmetic number, because the mean of its divisors is an integer number (31012044).

Almost surely, 2^82698782 is an apocalyptic number.

82698782 is a deficient number, since it is larger than the sum of its proper divisors (41349394).

82698782 is a wasteful number, since it uses less digits than its factorization.

82698782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41349393.

The product of its digits is 774144, while the sum is 50.

The square root of 82698782 is about 9093.8870676955. The cubic root of 82698782 is about 435.6787430907.

The spelling of 82698782 in words is "eighty-two million, six hundred ninety-eight thousand, seven hundred eighty-two".