878045551058 has 8 divisors (see below), whose sum is σ = 1418381274828. Its totient is φ = 405251792784.

The previous prime is 878045551057. The next prime is 878045551069. The reversal of 878045551058 is 850155540878.

It can be written as a sum of positive squares in 2 ways, for example, as 640132806889 + 237912744169 = 800083^2 + 487763^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 878045550994 and 878045551012.

It is not an unprimeable number, because it can be changed into a prime (878045551057) 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, 16885491341 + ... + 16885491392.

Almost surely, 2^878045551058 is an apocalyptic number.

878045551058 is a deficient number, since it is larger than the sum of its proper divisors (540335723770).

878045551058 is a wasteful number, since it uses less digits than its factorization.

878045551058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33770982748.

The product of its (nonzero) digits is 8960000, while the sum is 56.

The spelling of 878045551058 in words is "eight hundred seventy-eight billion, forty-five million, five hundred fifty-one thousand, fifty-eight".