85278887258 has 8 divisors (see below), whose sum is σ = 127927194528. Its totient is φ = 42636489084.

The previous prime is 85278887249. The next prime is 85278887269.

85278887258 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×85278887258² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441016 + ... + 1499027.

It is an arithmetic number, because the mean of its divisors is an integer number (15990899316).

Almost surely, 2^85278887258 is an apocalyptic number.

85278887258 is a deficient number, since it is larger than the sum of its proper divisors (42648307270).

85278887258 is a wasteful number, since it uses less digits than its factorization.

85278887258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954548.

The product of its digits is 160563200, while the sum is 68.

The spelling of 85278887258 in words is "eighty-five billion, two hundred seventy-eight million, eight hundred eighty-seven thousand, two hundred fifty-eight".