8071496987 has 4 divisors (see below), whose sum is σ = 8072386080. Its totient is φ = 8070607896.

The previous prime is 8071496981. The next prime is 8071497043. The reversal of 8071496987 is 7896941708.

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

It is a cyclic number.

It is not a de Polignac number, because 8071496987 - 2¹⁴ = 8071480603 is a prime.

It is a super-2 number, since 2×8071496987² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8071496981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430787 + ... + 449132.

It is an arithmetic number, because the mean of its divisors is an integer number (2018096520).

Almost surely, 2^8071496987 is an apocalyptic number.

8071496987 is a deficient number, since it is larger than the sum of its proper divisors (889093).

8071496987 is an equidigital number, since it uses as much as digits as its factorization.

8071496987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889092.

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

The square root of 8071496987 is about 89841.5103779984. The cubic root of 8071496987 is about 2005.9404204832.

The spelling of 8071496987 in words is "eight billion, seventy-one million, four hundred ninety-six thousand, nine hundred eighty-seven".