95871781 has 4 divisors (see below), whose sum is σ = 95892012. Its totient is φ = 95851552.

The previous prime is 95871761. The next prime is 95871791. The reversal of 95871781 is 18717859.

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 497025 + 95374756 = 705^2 + 9766^2 .

It is a cyclic number.

It is not a de Polignac number, because 95871781 - 2¹¹ = 95869733 is a prime.

It is a super-2 number, since 2×95871781² = 18382796784223922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95871731) 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, 1251 + ... + 13903.

It is an arithmetic number, because the mean of its divisors is an integer number (23973003).

Almost surely, 2^95871781 is an apocalyptic number.

It is an amenable number.

95871781 is a deficient number, since it is larger than the sum of its proper divisors (20231).

95871781 is a wasteful number, since it uses less digits than its factorization.

95871781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20230.

The product of its digits is 141120, while the sum is 46.

The square root of 95871781 is about 9791.4136364470. The cubic root of 95871781 is about 457.6817532595.

The spelling of 95871781 in words is "ninety-five million, eight hundred seventy-one thousand, seven hundred eighty-one".