86174477454 has 64 divisors (see below), whose sum is σ = 187080413184. Its totient is φ = 26305209216.

The previous prime is 86174477401. The next prime is 86174477479. The reversal of 86174477454 is 45477447168.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 86174477394 and 86174477403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8358867 + ... + 8369169.

It is an arithmetic number, because the mean of its divisors is an integer number (2923131456).

Almost surely, 2^86174477454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86174477454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93540206592).

86174477454 is an abundant number, since it is smaller than the sum of its proper divisors (100905935730).

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

86174477454 is a wasteful number, since it uses less digits than its factorization.

86174477454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161.

The product of its digits is 21073920, while the sum is 57.

The spelling of 86174477454 in words is "eighty-six billion, one hundred seventy-four million, four hundred seventy-seven thousand, four hundred fifty-four".