96806781 has 12 divisors (see below), whose sum is σ = 143243100. Its totient is φ = 62963520.

The previous prime is 96806771. The next prime is 96806797. The reversal of 96806781 is 18760869.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6081156 + 90725625 = 2466^2 + 9525^2 .

It is not a de Polignac number, because 96806781 - 2¹³ = 96798589 is a prime.

It is a super-2 number, since 2×96806781² = 18743105695163922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96806741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130806 + ... + 131543.

It is an arithmetic number, because the mean of its divisors is an integer number (11936925).

Almost surely, 2^96806781 is an apocalyptic number.

It is an amenable number.

96806781 is a deficient number, since it is larger than the sum of its proper divisors (46436319).

96806781 is a wasteful number, since it uses less digits than its factorization.

96806781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262396 (or 262393 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 96806781 is about 9839.0437035314. The cubic root of 96806781 is about 459.1648061836.

It can be divided in two parts, 9680 and 6781, that added together give a palindrome (16461).

The spelling of 96806781 in words is "ninety-six million, eight hundred six thousand, seven hundred eighty-one".