85454716556 has 24 divisors (see below), whose sum is σ = 168766370640. Its totient is φ = 37503636800.

The previous prime is 85454716531. The next prime is 85454716583. The reversal of 85454716556 is 65561745458.

It is a super-2 number, since 2×85454716556² (a number of 23 digits) contains 22 as substring.

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, 33484115 + ... + 33486666.

It is an arithmetic number, because the mean of its divisors is an integer number (7031932110).

Almost surely, 2^85454716556 is an apocalyptic number.

It is an amenable number.

85454716556 is a deficient number, since it is larger than the sum of its proper divisors (83311654084).

85454716556 is a wasteful number, since it uses less digits than its factorization.

85454716556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66970825 (or 66970823 counting only the distinct ones).

The product of its digits is 20160000, while the sum is 56.

The spelling of 85454716556 in words is "eighty-five billion, four hundred fifty-four million, seven hundred sixteen thousand, five hundred fifty-six".