85480438 has 4 divisors (see below), whose sum is σ = 128220660. Its totient is φ = 42740218.

The previous prime is 85480427. The next prime is 85480463. The reversal of 85480438 is 83408458.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85480438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21370108 + ... + 21370111.

It is an arithmetic number, because the mean of its divisors is an integer number (32055165).

Almost surely, 2^85480438 is an apocalyptic number.

85480438 is a deficient number, since it is larger than the sum of its proper divisors (42740222).

85480438 is a wasteful number, since it uses less digits than its factorization.

85480438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42740221.

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

The square root of 85480438 is about 9245.5631521287. The cubic root of 85480438 is about 440.5098050928.

The spelling of 85480438 in words is "eighty-five million, four hundred eighty thousand, four hundred thirty-eight".