86224778290 has 32 divisors (see below), whose sum is σ = 177954505344. Its totient is φ = 29466478080.

The previous prime is 86224778273. The next prime is 86224778317. The reversal of 86224778290 is 9287742268.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1984671 + ... + 2027650.

It is an arithmetic number, because the mean of its divisors is an integer number (5561078292).

Almost surely, 2^86224778290 is an apocalyptic number.

86224778290 is an abundant number, since it is smaller than the sum of its proper divisors (91729727054).

86224778290 is a wasteful number, since it uses less digits than its factorization.

86224778290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012642.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 86224778290 in words is "eighty-six billion, two hundred twenty-four million, seven hundred seventy-eight thousand, two hundred ninety".