86315553854 has 4 divisors (see below), whose sum is σ = 129473330784. Its totient is φ = 43157776926.

The previous prime is 86315553829. The next prime is 86315553869. The reversal of 86315553854 is 45835551368.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 86315553796 and 86315553805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21578888462 + ... + 21578888465.

It is an arithmetic number, because the mean of its divisors is an integer number (32368332696).

Almost surely, 2^86315553854 is an apocalyptic number.

86315553854 is a deficient number, since it is larger than the sum of its proper divisors (43157776930).

86315553854 is a wasteful number, since it uses less digits than its factorization.

86315553854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43157776929.

The product of its digits is 8640000, while the sum is 53.

The spelling of 86315553854 in words is "eighty-six billion, three hundred fifteen million, five hundred fifty-three thousand, eight hundred fifty-four".