96638777 has 4 divisors (see below), whose sum is σ = 97334160. Its totient is φ = 95943396.

The previous prime is 96638771. The next prime is 96638779. The reversal of 96638777 is 77783669.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77783669 = 307 ⋅253367.

It is a cyclic number.

It is not a de Polignac number, because 96638777 - 2⁶ = 96638713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96638771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347483 + ... + 347760.

It is an arithmetic number, because the mean of its divisors is an integer number (24333540).

Almost surely, 2^96638777 is an apocalyptic number.

It is an amenable number.

96638777 is a deficient number, since it is larger than the sum of its proper divisors (695383).

96638777 is a wasteful number, since it uses less digits than its factorization.

96638777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695382.

The product of its digits is 2667168, while the sum is 53.

The square root of 96638777 is about 9830.5023778035. The cubic root of 96638777 is about 458.8990321279.

The spelling of 96638777 in words is "ninety-six million, six hundred thirty-eight thousand, seven hundred seventy-seven".