9799972877 has 8 divisors (see below), whose sum is σ = 9940995072. Its totient is φ = 9659034000.

The previous prime is 9799972837. The next prime is 9799972891. The reversal of 9799972877 is 7782799979.

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

It is a cyclic number.

It is not a de Polignac number, because 9799972877 - 2⁸ = 9799972621 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 (9799972837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239252 + ... + 277202.

It is an arithmetic number, because the mean of its divisors is an integer number (1242624384).

Almost surely, 2^9799972877 is an apocalyptic number.

It is an amenable number.

9799972877 is a deficient number, since it is larger than the sum of its proper divisors (141022195).

9799972877 is a wasteful number, since it uses less digits than its factorization.

9799972877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41659.

The product of its digits is 252047376, while the sum is 74.

The square root of 9799972877 is about 98994.8123741845. The cubic root of 9799972877 is about 2139.9729868923.

The spelling of 9799972877 in words is "nine billion, seven hundred ninety-nine million, nine hundred seventy-two thousand, eight hundred seventy-seven".