8078077486 has 4 divisors (see below), whose sum is σ = 12117116232. Its totient is φ = 4039038742.

The previous prime is 8078077471. The next prime is 8078077489. The reversal of 8078077486 is 6847708708.

It is a happy number.

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 (8078077489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2019519370 + ... + 2019519373.

It is an arithmetic number, because the mean of its divisors is an integer number (3029279058).

Almost surely, 2^8078077486 is an apocalyptic number.

8078077486 is a deficient number, since it is larger than the sum of its proper divisors (4039038746).

8078077486 is a wasteful number, since it uses less digits than its factorization.

8078077486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039038745.

The product of its (nonzero) digits is 4214784, while the sum is 55.

The square root of 8078077486 is about 89878.1257370224. The cubic root of 8078077486 is about 2006.4854042012.

The spelling of 8078077486 in words is "eight billion, seventy-eight million, seventy-seven thousand, four hundred eighty-six".