86525432388 has 48 divisors (see below), whose sum is σ = 227673351360. Its totient is φ = 28411333632.

The previous prime is 86525432381. The next prime is 86525432393. The reversal of 86525432388 is 88323452568.

It is a happy number.

86525432388 is a `hidden beast` number, since 8 + 6 + 5 + 254 + 3 + 2 + 388 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (86525432381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5971581 + ... + 5986052.

It is an arithmetic number, because the mean of its divisors is an integer number (4743194820).

Almost surely, 2^86525432388 is an apocalyptic number.

It is an amenable number.

86525432388 is an abundant number, since it is smaller than the sum of its proper divisors (141147918972).

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

86525432388 is a wasteful number, since it uses less digits than its factorization.

86525432388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11957713 (or 11957705 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The spelling of 86525432388 in words is "eighty-six billion, five hundred twenty-five million, four hundred thirty-two thousand, three hundred eighty-eight".