8076371640 has 32 divisors (see below), whose sum is σ = 24229115280. Its totient is φ = 2153699072.

The previous prime is 8076371609. The next prime is 8076371651. The reversal of 8076371640 is 461736708.

It is a junction number, because it is equal to n+sod(n) for n = 8076371592 and 8076371601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33651429 + ... + 33651668.

Almost surely, 2^8076371640 is an apocalyptic number.

It is an amenable number.

8076371640 is an abundant number, since it is smaller than the sum of its proper divisors (16152743640).

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

8076371640 is a wasteful number, since it uses less digits than its factorization.

8076371640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67303111 (or 67303107 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 8076371640 is about 89868.6354631025. The cubic root of 8076371640 is about 2006.3441578852.

The spelling of 8076371640 in words is "eight billion, seventy-six million, three hundred seventy-one thousand, six hundred forty".