85854534151 has 4 divisors (see below), whose sum is σ = 86334168600. Its totient is φ = 85374899704.

The previous prime is 85854534137. The next prime is 85854534209. The reversal of 85854534151 is 15143545858.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85854534151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85854534095 and 85854534104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85854534551) 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, 239816956 + ... + 239817313.

It is an arithmetic number, because the mean of its divisors is an integer number (21583542150).

Almost surely, 2^85854534151 is an apocalyptic number.

85854534151 is a deficient number, since it is larger than the sum of its proper divisors (479634449).

85854534151 is a wasteful number, since it uses less digits than its factorization.

85854534151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479634448.

The product of its digits is 1920000, while the sum is 49.

The spelling of 85854534151 in words is "eighty-five billion, eight hundred fifty-four million, five hundred thirty-four thousand, one hundred fifty-one".