2678798915 has 8 divisors (see below), whose sum is σ = 3461832528. Its totient is φ = 1978189920.

The previous prime is 2678798897. The next prime is 2678798921. The reversal of 2678798915 is 5198978762.

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

It is not a de Polignac number, because 2678798915 - 2¹⁸ = 2678536771 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20606081 + ... + 20606210.

It is an arithmetic number, because the mean of its divisors is an integer number (432729066).

Almost surely, 2^2678798915 is an apocalyptic number.

2678798915 is a deficient number, since it is larger than the sum of its proper divisors (783033613).

2678798915 is a wasteful number, since it uses less digits than its factorization.

2678798915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41212309.

The product of its digits is 15240960, while the sum is 62.

The square root of 2678798915 is about 51757.1146317103. The cubic root of 2678798915 is about 1388.8223752527.

The spelling of 2678798915 in words is "two billion, six hundred seventy-eight million, seven hundred ninety-eight thousand, nine hundred fifteen".