2978886454 has 8 divisors (see below), whose sum is σ = 4468600368. Its totient is φ = 1489353000.

The previous prime is 2978886419. The next prime is 2978886479. The reversal of 2978886454 is 4546888792.

2978886454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2978886392 and 2978886401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9264 + ... + 77740.

It is an arithmetic number, because the mean of its divisors is an integer number (558575046).

Almost surely, 2^2978886454 is an apocalyptic number.

2978886454 is a deficient number, since it is larger than the sum of its proper divisors (1489713914).

2978886454 is a wasteful number, since it uses less digits than its factorization.

2978886454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90230.

The product of its digits is 30965760, while the sum is 61.

The square root of 2978886454 is about 54579.1760106361. The cubic root of 2978886454 is about 1438.8581569974.

The spelling of 2978886454 in words is "two billion, nine hundred seventy-eight million, eight hundred eighty-six thousand, four hundred fifty-four".