85242054747 has 8 divisors (see below), whose sum is σ = 113672714320. Its totient is φ = 56819715840.

The previous prime is 85242054683. The next prime is 85242054757. The reversal of 85242054747 is 74745024258.

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

It is not a de Polignac number, because 85242054747 - 2⁶ = 85242054683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85242054696 and 85242054705.

It is not an unprimeable number, because it can be changed into a prime (85242054757) 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, 2056222 + ... + 2097267.

It is an arithmetic number, because the mean of its divisors is an integer number (14209089290).

Almost surely, 2^85242054747 is an apocalyptic number.

85242054747 is a deficient number, since it is larger than the sum of its proper divisors (28430659573).

85242054747 is a wasteful number, since it uses less digits than its factorization.

85242054747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160333.

The product of its (nonzero) digits is 2508800, while the sum is 48.

The spelling of 85242054747 in words is "eighty-five billion, two hundred forty-two million, fifty-four thousand, seven hundred forty-seven".