2769839856 has 180 divisors, whose sum is σ = 9133269600. Its totient is φ = 781208064.

The previous prime is 2769839827. The next prime is 2769839873. The reversal of 2769839856 is 6589389672.

It is a super-2 number, since 2×2769839856² = 15344025655772201472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 2769839793 and 2769839802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 554940 + ... + 559908.

Almost surely, 2^2769839856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2769839856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4566634800).

2769839856 is an abundant number, since it is smaller than the sum of its proper divisors (6363429744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2769839856 is a wasteful number, since it uses less digits than its factorization.

2769839856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076 (or 5060 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The square root of 2769839856 is about 52629.2680549521. The cubic root of 2769839856 is about 1404.3808108182.

The spelling of 2769839856 in words is "two billion, seven hundred sixty-nine million, eight hundred thirty-nine thousand, eight hundred fifty-six".