8067919478 has 4 divisors (see below), whose sum is σ = 12101879220. Its totient is φ = 4033959738.

The previous prime is 8067919471. The next prime is 8067919481. The reversal of 8067919478 is 8749197608.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8067919471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016979868 + ... + 2016979871.

It is an arithmetic number, because the mean of its divisors is an integer number (3025469805).

Almost surely, 2^8067919478 is an apocalyptic number.

8067919478 is a deficient number, since it is larger than the sum of its proper divisors (4033959742).

8067919478 is a wasteful number, since it uses less digits than its factorization.

8067919478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033959741.

The product of its (nonzero) digits is 6096384, while the sum is 59.

The square root of 8067919478 is about 89821.5980597094. The cubic root of 8067919478 is about 2005.6440140701.

The spelling of 8067919478 in words is "eight billion, sixty-seven million, nine hundred nineteen thousand, four hundred seventy-eight".