2678528371 has 4 divisors (see below), whose sum is σ = 2764932544. Its totient is φ = 2592124200.

The previous prime is 2678528341. The next prime is 2678528387. The reversal of 2678528371 is 1738258762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1738258762 = 2 ⋅869129381.

It is a cyclic number.

It is not a de Polignac number, because 2678528371 - 2¹⁷ = 2678397299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2678528341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43202040 + ... + 43202101.

It is an arithmetic number, because the mean of its divisors is an integer number (691233136).

Almost surely, 2^2678528371 is an apocalyptic number.

2678528371 is a deficient number, since it is larger than the sum of its proper divisors (86404173).

2678528371 is an equidigital number, since it uses as much as digits as its factorization.

2678528371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86404172.

The product of its digits is 1128960, while the sum is 49.

The square root of 2678528371 is about 51754.5009733453. The cubic root of 2678528371 is about 1388.7756191974.

The spelling of 2678528371 in words is "two billion, six hundred seventy-eight million, five hundred twenty-eight thousand, three hundred seventy-one".