2878352493 has 4 divisors (see below), whose sum is σ = 3837803328. Its totient is φ = 1918901660.

The previous prime is 2878352441. The next prime is 2878352669. The reversal of 2878352493 is 3942538782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2878352493 - 2⁶ = 2878352429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878352413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479725413 + ... + 479725418.

It is an arithmetic number, because the mean of its divisors is an integer number (959450832).

Almost surely, 2^2878352493 is an apocalyptic number.

It is an amenable number.

2878352493 is a deficient number, since it is larger than the sum of its proper divisors (959450835).

2878352493 is an equidigital number, since it uses as much as digits as its factorization.

2878352493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959450834.

The product of its digits is 2903040, while the sum is 51.

The square root of 2878352493 is about 53650.2795239689. The cubic root of 2878352493 is about 1422.4859734451.

The spelling of 2878352493 in words is "two billion, eight hundred seventy-eight million, three hundred fifty-two thousand, four hundred ninety-three".