7804269985 has 8 divisors (see below), whose sum is σ = 9916013736. Its totient is φ = 5876156160.

The previous prime is 7804269961. The next prime is 7804270049. The reversal of 7804269985 is 5899624087.

It can be written as a sum of positive squares in 4 ways, for example, as 551874064 + 7252395921 = 23492^2 + 85161^2 .

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

It is not a de Polignac number, because 7804269985 - 2⁷ = 7804269857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 45907386 + ... + 45907555.

It is an arithmetic number, because the mean of its divisors is an integer number (1239501717).

Almost surely, 2^7804269985 is an apocalyptic number.

It is an amenable number.

7804269985 is a deficient number, since it is larger than the sum of its proper divisors (2111743751).

7804269985 is a wasteful number, since it uses less digits than its factorization.

7804269985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91814963.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The square root of 7804269985 is about 88341.7793855206. The cubic root of 7804269985 is about 1983.5543056450.

The spelling of 7804269985 in words is "seven billion, eight hundred four million, two hundred sixty-nine thousand, nine hundred eighty-five".