878283057 has 4 divisors (see below), whose sum is σ = 1171044080. Its totient is φ = 585522036.

The previous prime is 878283001. The next prime is 878283059. The reversal of 878283057 is 750382878.

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 not a de Polignac number, because 878283057 - 2¹¹ = 878281009 is a prime.

It is a super-2 number, since 2×878283057² = 1542762256426530498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 878282997 and 878283015.

It is not an unprimeable number, because it can be changed into a prime (878283059) 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 3 ways as a sum of consecutive naturals, for example, 146380507 + ... + 146380512.

It is an arithmetic number, because the mean of its divisors is an integer number (292761020).

Almost surely, 2^878283057 is an apocalyptic number.

It is an amenable number.

878283057 is a deficient number, since it is larger than the sum of its proper divisors (292761023).

878283057 is a wasteful number, since it uses less digits than its factorization.

878283057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292761022.

The product of its (nonzero) digits is 752640, while the sum is 48.

The square root of 878283057 is about 29635.8407506856. The cubic root of 878283057 is about 957.6603387750.

The spelling of 878283057 in words is "eight hundred seventy-eight million, two hundred eighty-three thousand, fifty-seven".