85278673427 has 8 divisors (see below), whose sum is σ = 89888510400. Its totient is φ = 80680985064.

The previous prime is 85278673423. The next prime is 85278673433. The reversal of 85278673427 is 72437687258.

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

It is a cyclic number.

It is not a de Polignac number, because 85278673427 - 2² = 85278673423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85278673423) 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, 3022733 + ... + 3050814.

It is an arithmetic number, because the mean of its divisors is an integer number (11236063800).

Almost surely, 2^85278673427 is an apocalyptic number.

85278673427 is a deficient number, since it is larger than the sum of its proper divisors (4609836973).

85278673427 is a wasteful number, since it uses less digits than its factorization.

85278673427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6074305.

The product of its digits is 31610880, while the sum is 59.

The spelling of 85278673427 in words is "eighty-five billion, two hundred seventy-eight million, six hundred seventy-three thousand, four hundred twenty-seven".