76446011893 has 4 divisors (see below), whose sum is σ = 80942836140. Its totient is φ = 71949187648.

The previous prime is 76446011891. The next prime is 76446011921. The reversal of 76446011893 is 39811064467.

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 56120662404 + 20325349489 = 236898^2 + 142567^2 .

It is a cyclic number.

It is not a de Polignac number, because 76446011893 - 2¹ = 76446011891 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 (76446011891) 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, 2248412098 + ... + 2248412131.

It is an arithmetic number, because the mean of its divisors is an integer number (20235709035).

Almost surely, 2^76446011893 is an apocalyptic number.

It is an amenable number.

76446011893 is a deficient number, since it is larger than the sum of its proper divisors (4496824247).

76446011893 is a wasteful number, since it uses less digits than its factorization.

76446011893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496824246.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 76446011893 in words is "seventy-six billion, four hundred forty-six million, eleven thousand, eight hundred ninety-three".