82696577890 has 16 divisors (see below), whose sum is σ = 152315558208. Its totient is φ = 32309360496.

The previous prime is 82696577869. The next prime is 82696577963. The reversal of 82696577890 is 9877569628.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96158382 + ... + 96159241.

It is an arithmetic number, because the mean of its divisors is an integer number (9519722388).

Almost surely, 2^82696577890 is an apocalyptic number.

82696577890 is a deficient number, since it is larger than the sum of its proper divisors (69618980318).

82696577890 is a wasteful number, since it uses less digits than its factorization.

82696577890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192317673.

The product of its (nonzero) digits is 91445760, while the sum is 67.

The spelling of 82696577890 in words is "eighty-two billion, six hundred ninety-six million, five hundred seventy-seven thousand, eight hundred ninety".