9720400083 has 8 divisors (see below), whose sum is σ = 13378615296. Its totient is φ = 6271225800.

The previous prime is 9720400049. The next prime is 9720400103. The reversal of 9720400083 is 3800040279.

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

It is not a de Polignac number, because 9720400083 - 2²¹ = 9718302931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9720400033) 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, 52260123 + ... + 52260308.

It is an arithmetic number, because the mean of its divisors is an integer number (1672326912).

Almost surely, 2^9720400083 is an apocalyptic number.

9720400083 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

9720400083 is a deficient number, since it is larger than the sum of its proper divisors (3658215213).

9720400083 is a wasteful number, since it uses less digits than its factorization.

9720400083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104520465.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 9720400083 is about 98592.0893530510. The cubic root of 9720400083 is about 2134.1652632088.

The spelling of 9720400083 in words is "nine billion, seven hundred twenty million, four hundred thousand, eighty-three".