85807683778468 has 24 divisors (see below), whose sum is σ = 150513938138592. Its totient is φ = 42803790672384.

The previous prime is 85807683778429. The next prime is 85807683778541. The reversal of 85807683778468 is 86487738670858.

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, 7303846 + ... + 14998717.

It is an arithmetic number, because the mean of its divisors is an integer number (6271414089108).

Almost surely, 2^{85807683778468} is an apocalyptic number.

It is an amenable number.

85807683778468 is a deficient number, since it is larger than the sum of its proper divisors (64706254360124).

85807683778468 is a wasteful number, since it uses less digits than its factorization.

85807683778468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22304811 (or 22304809 counting only the distinct ones).

The product of its (nonzero) digits is 24277155840, while the sum is 85.

The spelling of 85807683778468 in words is "eighty-five trillion, eight hundred seven billion, six hundred eighty-three million, seven hundred seventy-eight thousand, four hundred sixty-eight".