86426472990 has 64 divisors (see below), whose sum is σ = 243686403072. Its totient is φ = 19340188800.

The previous prime is 86426472989. The next prime is 86426473103. The reversal of 86426472990 is 9927462468.

It is a self number, because there is not a number n which added to its sum of digits gives 86426472990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10068726 + ... + 10077305.

It is an arithmetic number, because the mean of its divisors is an integer number (3807600048).

Almost surely, 2^86426472990 is an apocalyptic number.

86426472990 is an abundant number, since it is smaller than the sum of its proper divisors (157259930082).

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

86426472990 is a wasteful number, since it uses less digits than its factorization.

86426472990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20146065.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 86426472990 in words is "eighty-six billion, four hundred twenty-six million, four hundred seventy-two thousand, nine hundred ninety".