8465834878 has 4 divisors (see below), whose sum is σ = 12698752320. Its totient is φ = 4232917438.

The previous prime is 8465834809. The next prime is 8465834903. The reversal of 8465834878 is 8784385648.

8465834878 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×8465834878² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2116458718 + ... + 2116458721.

It is an arithmetic number, because the mean of its divisors is an integer number (3174688080).

Almost surely, 2^8465834878 is an apocalyptic number.

8465834878 is a deficient number, since it is larger than the sum of its proper divisors (4232917442).

8465834878 is a wasteful number, since it uses less digits than its factorization.

8465834878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232917441.

The product of its digits is 41287680, while the sum is 61.

The square root of 8465834878 is about 92009.9716226453. The cubic root of 8465834878 is about 2038.0895607724.

The spelling of 8465834878 in words is "eight billion, four hundred sixty-five million, eight hundred thirty-four thousand, eight hundred seventy-eight".