85806899654 has 8 divisors (see below), whose sum is σ = 147097542288. Its totient is φ = 36774385560.

The previous prime is 85806899653. The next prime is 85806899657. The reversal of 85806899654 is 45699860858.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85806899653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3064532117 + ... + 3064532144.

It is an arithmetic number, because the mean of its divisors is an integer number (18387192786).

Almost surely, 2^85806899654 is an apocalyptic number.

85806899654 is a deficient number, since it is larger than the sum of its proper divisors (61290642634).

85806899654 is a wasteful number, since it uses less digits than its factorization.

85806899654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129064270.

The product of its (nonzero) digits is 149299200, while the sum is 68.

The spelling of 85806899654 in words is "eighty-five billion, eight hundred six million, eight hundred ninety-nine thousand, six hundred fifty-four".