86443472290 has 32 divisors (see below), whose sum is σ = 177848288640. Its totient is φ = 29634142464.

The previous prime is 86443472279. The next prime is 86443472371. The reversal of 86443472290 is 9227434468.

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, 537169 + ... + 679291.

It is an arithmetic number, because the mean of its divisors is an integer number (5557759020).

Almost surely, 2^86443472290 is an apocalyptic number.

86443472290 is an abundant number, since it is smaller than the sum of its proper divisors (91404816350).

86443472290 is a wasteful number, since it uses less digits than its factorization.

86443472290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150826.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 86443472290 in words is "eighty-six billion, four hundred forty-three million, four hundred seventy-two thousand, two hundred ninety".