96603477721 has 27 divisors (see below), whose sum is σ = 105120400189. Its totient is φ = 88757675648.

The previous prime is 96603477713. The next prime is 96603477739. The reversal of 96603477721 is 12777430669.

The square root of 96603477721 is 310811.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 29214025 + 96574263696 = 5405^2 + 310764^2 .

It is not a de Polignac number, because 96603477721 - 2³ = 96603477713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96603277721) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 248337795 + ... + 248338183.

Almost surely, 2^96603477721 is an apocalyptic number.

96603477721 is the 310811-st square number.

96603477721 is the 155406-th centered octagonal number.

It is an amenable number.

96603477721 is a deficient number, since it is larger than the sum of its proper divisors (8516922468).

96603477721 is an frugal number, since it uses more digits than its factorization.

96603477721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 52.

The spelling of 96603477721 in words is "ninety-six billion, six hundred three million, four hundred seventy-seven thousand, seven hundred twenty-one".