83078782 has 4 divisors (see below), whose sum is σ = 124618176. Its totient is φ = 41539390.

The previous prime is 83078761. The next prime is 83078789. The reversal of 83078782 is 28787038.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83078789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20769694 + ... + 20769697.

It is an arithmetic number, because the mean of its divisors is an integer number (31154544).

Almost surely, 2^83078782 is an apocalyptic number.

83078782 is a deficient number, since it is larger than the sum of its proper divisors (41539394).

83078782 is a wasteful number, since it uses less digits than its factorization.

83078782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41539393.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 83078782 is about 9114.7562775973. The cubic root of 83078782 is about 436.3450366151.

The spelling of 83078782 in words is "eighty-three million, seventy-eight thousand, seven hundred eighty-two".