7895942785 has 8 divisors (see below), whose sum is σ = 9630461736. Its totient is φ = 6213200640.

The previous prime is 7895942779. The next prime is 7895942861. The reversal of 7895942785 is 5872495987.

It can be written as a sum of positive squares in 4 ways, for example, as 980190864 + 6915751921 = 31308^2 + 83161^2 .

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

It is not a de Polignac number, because 7895942785 - 2¹⁷ = 7895811713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12943864 + ... + 12944473.

It is an arithmetic number, because the mean of its divisors is an integer number (1203807717).

Almost surely, 2^7895942785 is an apocalyptic number.

It is an amenable number.

7895942785 is a deficient number, since it is larger than the sum of its proper divisors (1734518951).

7895942785 is a wasteful number, since it uses less digits than its factorization.

7895942785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25888403.

The product of its digits is 50803200, while the sum is 64.

The square root of 7895942785 is about 88859.1176244734. The cubic root of 7895942785 is about 1991.2906944668.

The spelling of 7895942785 in words is "seven billion, eight hundred ninety-five million, nine hundred forty-two thousand, seven hundred eighty-five".