878303742 has 32 divisors (see below), whose sum is σ = 1890441504. Its totient is φ = 271027200.

The previous prime is 878303719. The next prime is 878303753. The reversal of 878303742 is 247303878.

It is a super-2 number, since 2×878303742² = 1542834926422405128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 878303694 and 878303703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64359 + ... + 76802.

It is an arithmetic number, because the mean of its divisors is an integer number (59076297).

Almost surely, 2^878303742 is an apocalyptic number.

878303742 is an abundant number, since it is smaller than the sum of its proper divisors (1012137762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878303742 is a wasteful number, since it uses less digits than its factorization.

878303742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141244.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 878303742 is about 29636.1897348495. The cubic root of 878303742 is about 957.6678568709.

The spelling of 878303742 in words is "eight hundred seventy-eight million, three hundred three thousand, seven hundred forty-two".