9946987058 has 18 divisors (see below), whose sum is σ = 15081932061. Its totient is φ = 4920248664.

The previous prime is 9946987033. The next prime is 9946987073. The reversal of 9946987058 is 8507896499.

It can be written as a sum of positive squares in 2 ways, for example, as 9544703809 + 402283249 = 97697^2 + 20057^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=70523.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9946986985 and 9946987003.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15373691 + ... + 15374337.

Almost surely, 2^9946987058 is an apocalyptic number.

9946987058 is a deficient number, since it is larger than the sum of its proper divisors (5134945003).

9946987058 is an frugal number, since it uses more digits than its factorization.

9946987058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 65.

The square root of 9946987058 is about 99734.5830592378. The cubic root of 9946987058 is about 2150.6208452580.

The spelling of 9946987058 in words is "nine billion, nine hundred forty-six million, nine hundred eighty-seven thousand, fifty-eight".