85254538407 has 8 divisors (see below), whose sum is σ = 113702670576. Its totient is φ = 56821382592.

The previous prime is 85254538387. The next prime is 85254538423. The reversal of 85254538407 is 70483545258.

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

It is not a de Polignac number, because 85254538407 - 2²⁰ = 85253489831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85254538407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85254538427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3730798 + ... + 3753579.

It is an arithmetic number, because the mean of its divisors is an integer number (14212833822).

Almost surely, 2^85254538407 is an apocalyptic number.

85254538407 is a deficient number, since it is larger than the sum of its proper divisors (28448132169).

85254538407 is a wasteful number, since it uses less digits than its factorization.

85254538407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7488177.

The product of its (nonzero) digits is 5376000, while the sum is 51.

The spelling of 85254538407 in words is "eighty-five billion, two hundred fifty-four million, five hundred thirty-eight thousand, four hundred seven".