2878098655 has 8 divisors (see below), whose sum is σ = 3454306272. Its totient is φ = 2302087008.

The previous prime is 2878098653. The next prime is 2878098659. The reversal of 2878098655 is 5568908782.

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

It is a cyclic number.

It is not a de Polignac number, because 2878098655 - 2¹ = 2878098653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2878098655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878098653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14467 + ... + 77236.

It is an arithmetic number, because the mean of its divisors is an integer number (431788284).

Almost surely, 2^2878098655 is an apocalyptic number.

2878098655 is a deficient number, since it is larger than the sum of its proper divisors (576207617).

2878098655 is an equidigital number, since it uses as much as digits as its factorization.

2878098655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97985.

The product of its (nonzero) digits is 9676800, while the sum is 58.

The square root of 2878098655 is about 53647.9137991404. The cubic root of 2878098655 is about 1422.4441565133. Note that the first 3 decimals are identical.

The spelling of 2878098655 in words is "two billion, eight hundred seventy-eight million, ninety-eight thousand, six hundred fifty-five".