82779762195 has 48 divisors (see below), whose sum is σ = 154631917440. Its totient is φ = 40724183808.

The previous prime is 82779762113. The next prime is 82779762257. The reversal of 82779762195 is 59126797728.

It is not a de Polignac number, because 82779762195 - 2¹² = 82779758099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 786454 + ... + 885476.

It is an arithmetic number, because the mean of its divisors is an integer number (3221498280).

Almost surely, 2^82779762195 is an apocalyptic number.

82779762195 is a deficient number, since it is larger than the sum of its proper divisors (71852155245).

82779762195 is a wasteful number, since it uses less digits than its factorization.

82779762195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100476 (or 100473 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 63.

The spelling of 82779762195 in words is "eighty-two billion, seven hundred seventy-nine million, seven hundred sixty-two thousand, one hundred ninety-five".