2976428787 has 4 divisors (see below), whose sum is σ = 3968571720. Its totient is φ = 1984285856.

The previous prime is 2976428773. The next prime is 2976428797. The reversal of 2976428787 is 7878246792.

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

It is a cyclic number.

It is not a de Polignac number, because 2976428787 - 2⁴ = 2976428771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2976428787.

It is not an unprimeable number, because it can be changed into a prime (2976428747) 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, 496071462 + ... + 496071467.

It is an arithmetic number, because the mean of its divisors is an integer number (992142930).

Almost surely, 2^2976428787 is an apocalyptic number.

2976428787 is a deficient number, since it is larger than the sum of its proper divisors (992142933).

2976428787 is an equidigital number, since it uses as much as digits as its factorization.

2976428787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992142932.

The product of its digits is 18966528, while the sum is 60.

The square root of 2976428787 is about 54556.6566699243. The cubic root of 2976428787 is about 1438.4623483388.

The spelling of 2976428787 in words is "two billion, nine hundred seventy-six million, four hundred twenty-eight thousand, seven hundred eighty-seven".