95777821 has 8 divisors (see below), whose sum is σ = 96415704. Its totient is φ = 95142720.

The previous prime is 95777809. The next prime is 95777833. The reversal of 95777821 is 12877759.

It is an interprime number because it is at equal distance from previous prime (95777809) and next prime (95777833).

It can be written as a sum of positive squares in 4 ways, for example, as 617796 + 95160025 = 786^2 + 9755^2 .

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 95777821 - 2⁵ = 95777789 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 (95777621) 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, 171675 + ... + 172231.

It is an arithmetic number, because the mean of its divisors is an integer number (12051963).

Almost surely, 2^95777821 is an apocalyptic number.

It is an amenable number.

95777821 is a deficient number, since it is larger than the sum of its proper divisors (637883).

95777821 is a wasteful number, since it uses less digits than its factorization.

95777821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its digits is 246960, while the sum is 46.

The square root of 95777821 is about 9786.6143788340. The cubic root of 95777821 is about 457.5321860163.

The spelling of 95777821 in words is "ninety-five million, seven hundred seventy-seven thousand, eight hundred twenty-one".