8099512461 has 24 divisors (see below), whose sum is σ = 12138109984. Its totient is φ = 5397224400.

The previous prime is 8099512439. The next prime is 8099512469. The reversal of 8099512461 is 1642159908.

8099512461 is a `hidden beast` number, since 8 + 0 + 99 + 512 + 46 + 1 = 666.

It is not a de Polignac number, because 8099512461 - 2¹⁰ = 8099511437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8099512469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 644286 + ... + 656736.

Almost surely, 2^8099512461 is an apocalyptic number.

8099512461 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8099512461 is a deficient number, since it is larger than the sum of its proper divisors (4038597523).

8099512461 is a wasteful number, since it uses less digits than its factorization.

8099512461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15143 (or 15131 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 8099512461 is about 89997.2914092419. The cubic root of 8099512461 is about 2008.2585562688.

The spelling of 8099512461 in words is "eight billion, ninety-nine million, five hundred twelve thousand, four hundred sixty-one".