85420120468 has 12 divisors (see below), whose sum is σ = 152018858880. Its totient is φ = 41986160792.

The previous prime is 85420120433. The next prime is 85420120469. The reversal of 85420120468 is 86402102458.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 85420120468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85420120469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180974596 + ... + 180975067.

It is an arithmetic number, because the mean of its divisors is an integer number (12668238240).

Almost surely, 2^85420120468 is an apocalyptic number.

It is an amenable number.

85420120468 is a deficient number, since it is larger than the sum of its proper divisors (66598738412).

85420120468 is a wasteful number, since it uses less digits than its factorization.

85420120468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361949726 (or 361949724 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 85420120468 in words is "eighty-five billion, four hundred twenty million, one hundred twenty thousand, four hundred sixty-eight".