7854146485 has 4 divisors (see below), whose sum is σ = 9424975788. Its totient is φ = 6283317184.

The previous prime is 7854146483. The next prime is 7854146519. The reversal of 7854146485 is 5846414587.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3403788964 + 4450357521 = 58342^2 + 66711^2 .

It is a cyclic number.

It is not a de Polignac number, because 7854146485 - 2¹ = 7854146483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7854146483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785414644 + ... + 785414653.

It is an arithmetic number, because the mean of its divisors is an integer number (2356243947).

Almost surely, 2^7854146485 is an apocalyptic number.

It is an amenable number.

7854146485 is a deficient number, since it is larger than the sum of its proper divisors (1570829303).

7854146485 is a wasteful number, since it uses less digits than its factorization.

7854146485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570829302.

The product of its digits is 4300800, while the sum is 52.

The square root of 7854146485 is about 88623.6226127098. The cubic root of 7854146485 is about 1987.7709175938.

The spelling of 7854146485 in words is "seven billion, eight hundred fifty-four million, one hundred forty-six thousand, four hundred eighty-five".