805274539385 has 16 divisors (see below), whose sum is σ = 1043114250240. Its totient is φ = 594961456320.

The previous prime is 805274539379. The next prime is 805274539387. The reversal of 805274539385 is 583935472508.

It is not a de Polignac number, because 805274539385 - 2¹⁰ = 805274538361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (805274539387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120727481 + ... + 120734150.

It is an arithmetic number, because the mean of its divisors is an integer number (65194640640).

Almost surely, 2^805274539385 is an apocalyptic number.

It is an amenable number.

805274539385 is a deficient number, since it is larger than the sum of its proper divisors (237839710855).

805274539385 is a wasteful number, since it uses less digits than its factorization.

805274539385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241461688.

The product of its (nonzero) digits is 36288000, while the sum is 59.

The spelling of 805274539385 in words is "eight hundred five billion, two hundred seventy-four million, five hundred thirty-nine thousand, three hundred eighty-five".