86403542920 has 32 divisors (see below), whose sum is σ = 194432215320. Its totient is φ = 34557107200.

The previous prime is 86403542879. The next prime is 86403542941. The reversal of 86403542920 is 2924530468.

It can be written as a sum of positive squares in 4 ways, for example, as 84451847236 + 1951695684 = 290606^2 + 44178^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200370 + ... + 461470.

Almost surely, 2^86403542920 is an apocalyptic number.

It is an amenable number.

86403542920 is an abundant number, since it is smaller than the sum of its proper divisors (108028672400).

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

86403542920 is a wasteful number, since it uses less digits than its factorization.

86403542920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269385 (or 269381 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 86403542920 in words is "eighty-six billion, four hundred three million, five hundred forty-two thousand, nine hundred twenty".