7049678885 has 4 divisors (see below), whose sum is σ = 8459614668. Its totient is φ = 5639743104.

The previous prime is 7049678879. The next prime is 7049678891. The reversal of 7049678885 is 5888769407.

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

It is an interprime number because it is at equal distance from previous prime (7049678879) and next prime (7049678891).

It can be written as a sum of positive squares in 2 ways, for example, as 1183497604 + 5866181281 = 34402^2 + 76591^2 .

It is a cyclic number.

It is not a de Polignac number, because 7049678885 - 2¹² = 7049674789 is a prime.

It is a super-2 number, since 2×7049678885² = 99395944763229686450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704967884 + ... + 704967893.

It is an arithmetic number, because the mean of its divisors is an integer number (2114903667).

Almost surely, 2^7049678885 is an apocalyptic number.

It is an amenable number.

7049678885 is a deficient number, since it is larger than the sum of its proper divisors (1409935783).

7049678885 is a wasteful number, since it uses less digits than its factorization.

7049678885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409935782.

The product of its (nonzero) digits is 27095040, while the sum is 62.

The square root of 7049678885 is about 83962.3658849606. The cubic root of 7049678885 is about 1917.4458664040.

The spelling of 7049678885 in words is "seven billion, forty-nine million, six hundred seventy-eight thousand, eight hundred eighty-five".