298766878 has 8 divisors (see below), whose sum is σ = 451374840. Its totient is φ = 148308600.

The previous prime is 298766873. The next prime is 298766899. The reversal of 298766878 is 878667892.

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

It is a super-3 number, since 3×298766878³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298766873) 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, 537073 + ... + 537628.

It is an arithmetic number, because the mean of its divisors is an integer number (56421855).

Almost surely, 2^298766878 is an apocalyptic number.

298766878 is a deficient number, since it is larger than the sum of its proper divisors (152607962).

298766878 is a wasteful number, since it uses less digits than its factorization.

298766878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074842.

The product of its digits is 16257024, while the sum is 61.

The square root of 298766878 is about 17284.8742546771. The cubic root of 298766878 is about 668.5144766102.

It can be divided in two parts, 29876 and 6878, that multiplied together give a triangular number (205487128 = T₂₀₂₇₂).

The spelling of 298766878 in words is "two hundred ninety-eight million, seven hundred sixty-six thousand, eight hundred seventy-eight".