878134741 has 4 divisors (see below), whose sum is σ = 957965184. Its totient is φ = 798304300.

The previous prime is 878134729. The next prime is 878134757. The reversal of 878134741 is 147431878.

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 a cyclic number.

It is not a de Polignac number, because 878134741 - 2⁵ = 878134709 is a prime.

It is a super-2 number, since 2×878134741² = 1542241246702274162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878134721) 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, 39915205 + ... + 39915226.

It is an arithmetic number, because the mean of its divisors is an integer number (239491296).

Almost surely, 2^878134741 is an apocalyptic number.

It is an amenable number.

878134741 is a deficient number, since it is larger than the sum of its proper divisors (79830443).

878134741 is a wasteful number, since it uses less digits than its factorization.

878134741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79830442.

The product of its digits is 150528, while the sum is 43.

The square root of 878134741 is about 29633.3383370824. The cubic root of 878134741 is about 957.6064289162.

The spelling of 878134741 in words is "eight hundred seventy-eight million, one hundred thirty-four thousand, seven hundred forty-one".