82899780877 has 8 divisors (see below), whose sum is σ = 88136273664. Its totient is φ = 77799301008.

The previous prime is 82899780851. The next prime is 82899780907. The reversal of 82899780877 is 77808799828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82899780877 - 2⁷ = 82899780749 is a prime.

It is a super-2 number, since 2×82899780877² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82899783877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34001973 + ... + 34004410.

It is an arithmetic number, because the mean of its divisors is an integer number (11017034208).

Almost surely, 2^82899780877 is an apocalyptic number.

It is an amenable number.

82899780877 is a deficient number, since it is larger than the sum of its proper divisors (5236492787).

82899780877 is a wasteful number, since it uses less digits than its factorization.

82899780877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68006459.

The product of its (nonzero) digits is 227598336, while the sum is 73.

The spelling of 82899780877 in words is "eighty-two billion, eight hundred ninety-nine million, seven hundred eighty thousand, eight hundred seventy-seven".