8407075918 has 4 divisors (see below), whose sum is σ = 12610613880. Its totient is φ = 4203537958.

The previous prime is 8407075913. The next prime is 8407075949. The reversal of 8407075918 is 8195707048.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8407075913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101768978 + ... + 2101768981.

It is an arithmetic number, because the mean of its divisors is an integer number (3152653470).

Almost surely, 2^8407075918 is an apocalyptic number.

8407075918 is a deficient number, since it is larger than the sum of its proper divisors (4203537962).

8407075918 is a wasteful number, since it uses less digits than its factorization.

8407075918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203537961.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 8407075918 is about 91690.1080706092. The cubic root of 8407075918 is about 2033.3633421054.

The spelling of 8407075918 in words is "eight billion, four hundred seven million, seventy-five thousand, nine hundred eighteen".