8059786640 has 40 divisors (see below), whose sum is σ = 18775068408. Its totient is φ = 3217710080.

The previous prime is 8059786613. The next prime is 8059786667. The reversal of 8059786640 is 466879508.

It is an interprime number because it is at equal distance from previous prime (8059786613) and next prime (8059786667).

It can be written as a sum of positive squares in 4 ways, for example, as 217621504 + 7842165136 = 14752^2 + 88556^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55007 + ... + 138366.

Almost surely, 2^8059786640 is an apocalyptic number.

8059786640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8059786640 is an abundant number, since it is smaller than the sum of its proper divisors (10715281768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8059786640 is a wasteful number, since it uses less digits than its factorization.

8059786640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193907 (or 193901 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The square root of 8059786640 is about 89776.3144710229. The cubic root of 8059786640 is about 2004.9698600163.

The spelling of 8059786640 in words is "eight billion, fifty-nine million, seven hundred eighty-six thousand, six hundred forty".