9880547505 has 32 divisors (see below), whose sum is σ = 16159094784. Its totient is φ = 5153078976.

The previous prime is 9880547491. The next prime is 9880547519. The reversal of 9880547505 is 5057450889.

It is an interprime number because it is at equal distance from previous prime (9880547491) and next prime (9880547519).

It is not a de Polignac number, because 9880547505 - 2⁴ = 9880547489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 916074 + ... + 926796.

It is an arithmetic number, because the mean of its divisors is an integer number (504971712).

Almost surely, 2^9880547505 is an apocalyptic number.

It is an amenable number.

9880547505 is a deficient number, since it is larger than the sum of its proper divisors (6278547279).

9880547505 is a wasteful number, since it uses less digits than its factorization.

9880547505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12085.

The product of its (nonzero) digits is 2016000, while the sum is 51.

The square root of 9880547505 is about 99400.9431796298. The cubic root of 9880547505 is about 2145.8218844454.

The spelling of 9880547505 in words is "nine billion, eight hundred eighty million, five hundred forty-seven thousand, five hundred five".