86279075290 has 16 divisors (see below), whose sum is σ = 159090198120. Its totient is φ = 33669882880.

The previous prime is 86279075261. The next prime is 86279075303. The reversal of 86279075290 is 9257097268.

It is a Cunningham number, because it is equal to 293733²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 49962531529 + 36316543761 = 223523^2 + 190569^2 .

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, 105217975 + ... + 105218794.

Almost surely, 2^86279075290 is an apocalyptic number.

86279075290 is a deficient number, since it is larger than the sum of its proper divisors (72811122830).

86279075290 is a wasteful number, since it uses less digits than its factorization.

86279075290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210436817.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 86279075290 in words is "eighty-six billion, two hundred seventy-nine million, seventy-five thousand, two hundred ninety".