9958336580 has 12 divisors (see below), whose sum is σ = 20912506860. Its totient is φ = 3983334624.

The previous prime is 9958336571. The next prime is 9958336613. The reversal of 9958336580 is 856338599.

It can be written as a sum of positive squares in 2 ways, for example, as 5790601216 + 4167735364 = 76096^2 + 64558^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248958395 + ... + 248958434.

It is an arithmetic number, because the mean of its divisors is an integer number (1742708905).

Almost surely, 2^9958336580 is an apocalyptic number.

It is an amenable number.

9958336580 is an abundant number, since it is smaller than the sum of its proper divisors (10954170280).

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

9958336580 is a wasteful number, since it uses less digits than its factorization.

9958336580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497916838 (or 497916836 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 56.

The square root of 9958336580 is about 99791.4654667422. The cubic root of 9958336580 is about 2151.4384878585.

The spelling of 9958336580 in words is "nine billion, nine hundred fifty-eight million, three hundred thirty-six thousand, five hundred eighty".