85640846154 has 32 divisors (see below), whose sum is σ = 177210339840. Its totient is φ = 27559089600.

The previous prime is 85640846119. The next prime is 85640846191. The reversal of 85640846154 is 45164804658.

It is a junction number, because it is equal to n+sod(n) for n = 85640846097 and 85640846106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1593684 + ... + 1646544.

It is an arithmetic number, because the mean of its divisors is an integer number (5537823120).

Almost surely, 2^85640846154 is an apocalyptic number.

85640846154 is an abundant number, since it is smaller than the sum of its proper divisors (91569493686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85640846154 is a wasteful number, since it uses less digits than its factorization.

85640846154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62206.

The product of its (nonzero) digits is 3686400, while the sum is 51.

The spelling of 85640846154 in words is "eighty-five billion, six hundred forty million, eight hundred forty-six thousand, one hundred fifty-four".