2678734152 has 160 divisors (see below), whose sum is σ = 7982805600. Its totient is φ = 836822016.

The previous prime is 2678734073. The next prime is 2678734153. The reversal of 2678734152 is 2514378762.

It is a junction number, because it is equal to n+sod(n) for n = 2678734098 and 2678734107.

It is not an unprimeable number, because it can be changed into a prime (2678734153) 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 39 ways as a sum of consecutive naturals, for example, 1193143 + ... + 1195385.

It is an arithmetic number, because the mean of its divisors is an integer number (49892535).

Almost surely, 2^2678734152 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 2678734152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991402800).

2678734152 is an abundant number, since it is smaller than the sum of its proper divisors (5304071448).

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

2678734152 is a wasteful number, since it uses less digits than its factorization.

2678734152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377 (or 2364 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 2678734152 is about 51756.4889844742. The cubic root of 2678734152 is about 1388.8111830441.

The spelling of 2678734152 in words is "two billion, six hundred seventy-eight million, seven hundred thirty-four thousand, one hundred fifty-two".