85862440628868 has 48 divisors (see below), whose sum is σ = 212109223677120. Its totient is φ = 26957723969664.

The previous prime is 85862440628821. The next prime is 85862440628897. The reversal of 85862440628868 is 86882604426858.

It is a super-2 number, since 2×85862440628868² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85862440628868.

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, 1088369955 + ... + 1088448842.

It is an arithmetic number, because the mean of its divisors is an integer number (4418942159940).

Almost surely, 2^{85862440628868} is an apocalyptic number.

It is an amenable number.

85862440628868 is an abundant number, since it is smaller than the sum of its proper divisors (126246783048252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85862440628868 is a wasteful number, since it uses less digits than its factorization.

85862440628868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176818996 (or 2176818994 counting only the distinct ones).

The product of its (nonzero) digits is 2264924160, while the sum is 75.

The spelling of 85862440628868 in words is "eighty-five trillion, eight hundred sixty-two billion, four hundred forty million, six hundred twenty-eight thousand, eight hundred sixty-eight".