2978546829 has 16 divisors (see below), whose sum is σ = 4207749120. Its totient is φ = 1867673600.

The previous prime is 2978546807. The next prime is 2978546903. The reversal of 2978546829 is 9286458792.

It is a cyclic number.

It is not a de Polignac number, because 2978546829 - 2⁵ = 2978546797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978546429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63412 + ... + 99890.

It is an arithmetic number, because the mean of its divisors is an integer number (262984320).

Almost surely, 2^2978546829 is an apocalyptic number.

It is an amenable number.

2978546829 is a deficient number, since it is larger than the sum of its proper divisors (1229202291).

2978546829 is a wasteful number, since it uses less digits than its factorization.

2978546829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38100.

The product of its digits is 17418240, while the sum is 60.

The square root of 2978546829 is about 54576.0646162766. The cubic root of 2978546829 is about 1438.8034731659.

The spelling of 2978546829 in words is "two billion, nine hundred seventy-eight million, five hundred forty-six thousand, eight hundred twenty-nine".