9953087890 has 8 divisors (see below), whose sum is σ = 17915558220. Its totient is φ = 3981235152.

The previous prime is 9953087887. The next prime is 9953087899. The reversal of 9953087890 is 987803599.

It can be written as a sum of positive squares in 2 ways, for example, as 9942283521 + 10804369 = 99711^2 + 3287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9953087899) 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, 497654385 + ... + 497654404.

Almost surely, 2^9953087890 is an apocalyptic number.

9953087890 is a deficient number, since it is larger than the sum of its proper divisors (7962470330).

9953087890 is a wasteful number, since it uses less digits than its factorization.

9953087890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995308796.

The product of its (nonzero) digits is 4898880, while the sum is 58.

The square root of 9953087890 is about 99765.1637095835. The cubic root of 9953087890 is about 2151.0604388380.

The spelling of 9953087890 in words is "nine billion, nine hundred fifty-three million, eighty-seven thousand, eight hundred ninety".