82779676 has 24 divisors (see below), whose sum is σ = 167659520. Its totient is φ = 35026992.

The previous prime is 82779667. The next prime is 82779677. The reversal of 82779676 is 67697728.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82779677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16500 + ... + 20923.

Almost surely, 2^82779676 is an apocalyptic number.

It is an amenable number.

82779676 is an abundant number, since it is smaller than the sum of its proper divisors (84879844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82779676 is a wasteful number, since it uses less digits than its factorization.

82779676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37513 (or 37511 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 52.

The square root of 82779676 is about 9098.3336935947. Note that the first 3 decimals coincide. The cubic root of 82779676 is about 435.8207536906.

The spelling of 82779676 in words is "eighty-two million, seven hundred seventy-nine thousand, six hundred seventy-six".