85867420 has 48 divisors (see below), whose sum is σ = 186973920. Its totient is φ = 33103616.

The previous prime is 85867387. The next prime is 85867423. The reversal of 85867420 is 2476858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85867423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61854 + ... + 63226.

It is an arithmetic number, because the mean of its divisors is an integer number (3895290).

Almost surely, 2^85867420 is an apocalyptic number.

It is an amenable number.

85867420 is an abundant number, since it is smaller than the sum of its proper divisors (101106500).

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

85867420 is a wasteful number, since it uses less digits than its factorization.

85867420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 85867420 is about 9266.4675038550. The cubic root of 85867420 is about 441.1735544766.

The spelling of 85867420 in words is "eighty-five million, eight hundred sixty-seven thousand, four hundred twenty".