2978025099 has 32 divisors (see below), whose sum is σ = 4839528960. Its totient is φ = 1590077952.

The previous prime is 2978025077. The next prime is 2978025107. The reversal of 2978025099 is 9905208792.

It is not a de Polignac number, because 2978025099 - 2⁷ = 2978024971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (2978025019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19617 + ... + 79629.

It is an arithmetic number, because the mean of its divisors is an integer number (151235280).

Almost surely, 2^2978025099 is an apocalyptic number.

2978025099 is a deficient number, since it is larger than the sum of its proper divisors (1861503861).

2978025099 is a wasteful number, since it uses less digits than its factorization.

2978025099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60179.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 2978025099 is about 54571.2845643201. The cubic root of 2978025099 is about 1438.7194600758.

The spelling of 2978025099 in words is "two billion, nine hundred seventy-eight million, twenty-five thousand, ninety-nine".