96720977 has 4 divisors (see below), whose sum is σ = 96826020. Its totient is φ = 96615936.

The previous prime is 96720937. The next prime is 96720983. The reversal of 96720977 is 77902769.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8059921 + 88661056 = 2839^2 + 9416^2 .

It is a cyclic number.

It is not a de Polignac number, because 96720977 - 2⁶ = 96720913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96720907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51128 + ... + 52985.

It is an arithmetic number, because the mean of its divisors is an integer number (24206505).

Almost surely, 2^96720977 is an apocalyptic number.

It is an amenable number.

96720977 is a deficient number, since it is larger than the sum of its proper divisors (105043).

96720977 is a wasteful number, since it uses less digits than its factorization.

96720977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105042.

The product of its (nonzero) digits is 333396, while the sum is 47.

The square root of 96720977 is about 9834.6823537926. The cubic root of 96720977 is about 459.0291069332.

The spelling of 96720977 in words is "ninety-six million, seven hundred twenty thousand, nine hundred seventy-seven".