7869485837 has 4 divisors (see below), whose sum is σ = 7873347360. Its totient is φ = 7865624316.

The previous prime is 7869485831. The next prime is 7869485887. The reversal of 7869485837 is 7385849687.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7385849687 = 59 ⋅125183893.

It is a cyclic number.

It is not a de Polignac number, because 7869485837 - 2¹⁰ = 7869484813 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 (7869485831) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1927703 + ... + 1931780.

It is an arithmetic number, because the mean of its divisors is an integer number (1968336840).

Almost surely, 2^7869485837 is an apocalyptic number.

It is an amenable number.

7869485837 is a deficient number, since it is larger than the sum of its proper divisors (3861523).

7869485837 is a wasteful number, since it uses less digits than its factorization.

7869485837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861522.

The product of its digits is 81285120, while the sum is 65.

The square root of 7869485837 is about 88710.1225171062. The cubic root of 7869485837 is about 1989.0641321350.

The spelling of 7869485837 in words is "seven billion, eight hundred sixty-nine million, four hundred eighty-five thousand, eight hundred thirty-seven".