86129823528 has 128 divisors (see below), whose sum is σ = 285316300800. Its totient is φ = 23538575808.

The previous prime is 86129823473. The next prime is 86129823541. The reversal of 86129823528 is 82532892168.

It is a happy number.

86129823528 is a `hidden beast` number, since 8 + 6 + 1 + 2 + 98 + 23 + 528 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 1203576 + ... + 1273127.

It is an arithmetic number, because the mean of its divisors is an integer number (2229033600).

Almost surely, 2^86129823528 is an apocalyptic number.

It is an amenable number.

86129823528 is an abundant number, since it is smaller than the sum of its proper divisors (199186477272).

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

86129823528 is a wasteful number, since it uses less digits than its factorization.

86129823528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476748 (or 2476738 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 86129823528 in words is "eighty-six billion, one hundred twenty-nine million, eight hundred twenty-three thousand, five hundred twenty-eight".