878251054 has 12 divisors (see below), whose sum is σ = 1333460736. Its totient is φ = 433828052.

The previous prime is 878251039. The next prime is 878251057. The reversal of 878251054 is 450152878.

It is a super-2 number, since 2×878251054² = 1542649827704221832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 878250998 and 878251016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878251057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18094 + ... + 45649.

It is an arithmetic number, because the mean of its divisors is an integer number (111121728).

Almost surely, 2^878251054 is an apocalyptic number.

878251054 is a deficient number, since it is larger than the sum of its proper divisors (455209682).

878251054 is an equidigital number, since it uses as much as digits as its factorization.

878251054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63911 (or 63828 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 878251054 is about 29635.3008083265. The cubic root of 878251054 is about 957.6487068469.

The spelling of 878251054 in words is "eight hundred seventy-eight million, two hundred fifty-one thousand, fifty-four".