2978608101 has 32 divisors (see below), whose sum is σ = 4634370048. Its totient is φ = 1666491840.

The previous prime is 2978608043. The next prime is 2978608121. The reversal of 2978608101 is 1018068792.

It is not a de Polignac number, because 2978608101 - 2⁶ = 2978608037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978608121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280450 + ... + 290876.

It is an arithmetic number, because the mean of its divisors is an integer number (144824064).

Almost surely, 2^2978608101 is an apocalyptic number.

2978608101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2978608101 is a deficient number, since it is larger than the sum of its proper divisors (1655761947).

2978608101 is a wasteful number, since it uses less digits than its factorization.

2978608101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10721.

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 2978608101 is about 54576.6259583716. The cubic root of 2978608101 is about 1438.8133390241.

The spelling of 2978608101 in words is "two billion, nine hundred seventy-eight million, six hundred eight thousand, one hundred one".