8087123145 has 16 divisors (see below), whose sum is σ = 13041285120. Its totient is φ = 4279169664.

The previous prime is 8087123117. The next prime is 8087123147. The reversal of 8087123145 is 5413217808.

It is not a de Polignac number, because 8087123145 - 2⁷ = 8087123017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8087123147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2120700 + ... + 2124509.

It is an arithmetic number, because the mean of its divisors is an integer number (815080320).

Almost surely, 2^8087123145 is an apocalyptic number.

It is an amenable number.

8087123145 is a deficient number, since it is larger than the sum of its proper divisors (4954161975).

8087123145 is a wasteful number, since it uses less digits than its factorization.

8087123145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245344.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 8087123145 is about 89928.4334623927. The cubic root of 8087123145 is about 2007.2340646898.

The spelling of 8087123145 in words is "eight billion, eighty-seven million, one hundred twenty-three thousand, one hundred forty-five".