85421463 has 8 divisors (see below), whose sum is σ = 113948400. Its totient is φ = 56921088.

The previous prime is 85421459. The next prime is 85421467. The reversal of 85421463 is 36412458.

It is an interprime number because it is at equal distance from previous prime (85421459) and next prime (85421467).

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

It is not a de Polignac number, because 85421463 - 2² = 85421459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85421467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2773 + ... + 13361.

It is an arithmetic number, because the mean of its divisors is an integer number (14243550).

Almost surely, 2^85421463 is an apocalyptic number.

85421463 is a deficient number, since it is larger than the sum of its proper divisors (28526937).

85421463 is a wasteful number, since it uses less digits than its factorization.

85421463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13281.

The product of its digits is 23040, while the sum is 33.

The square root of 85421463 is about 9242.3732341861. The cubic root of 85421463 is about 440.4084757002.

The spelling of 85421463 in words is "eighty-five million, four hundred twenty-one thousand, four hundred sixty-three".