85887278858 has 16 divisors (see below), whose sum is σ = 138645427464. Its totient is φ = 39754959360.

The previous prime is 85887278831. The next prime is 85887278863.

It is a happy number.

85887278858 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 82040426329 + 3846852529 = 286427^2 + 62023^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20703635 + ... + 20707782.

Almost surely, 2^85887278858 is an apocalyptic number.

85887278858 is a deficient number, since it is larger than the sum of its proper divisors (52758148606).

85887278858 is a wasteful number, since it uses less digits than its factorization.

85887278858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41411497.

The product of its digits is 642252800, while the sum is 74.

The spelling of 85887278858 in words is "eighty-five billion, eight hundred eighty-seven million, two hundred seventy-eight thousand, eight hundred fifty-eight".