85264420438 has 8 divisors (see below), whose sum is σ = 127914930432. Its totient is φ = 42626110296.

The previous prime is 85264420361. The next prime is 85264420453. The reversal of 85264420438 is 83402446258.

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

It is a super-2 number, since 2×85264420438² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032470 + ... + 3060457.

It is an arithmetic number, because the mean of its divisors is an integer number (15989366304).

Almost surely, 2^85264420438 is an apocalyptic number.

85264420438 is a deficient number, since it is larger than the sum of its proper divisors (42650509994).

85264420438 is a wasteful number, since it uses less digits than its factorization.

85264420438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099926.

The product of its (nonzero) digits is 1474560, while the sum is 46.

The spelling of 85264420438 in words is "eighty-five billion, two hundred sixty-four million, four hundred twenty thousand, four hundred thirty-eight".