76536281069 has 8 divisors (see below), whose sum is σ = 78942197880. Its totient is φ = 74148120576.

The previous prime is 76536281057. The next prime is 76536281089. The reversal of 76536281069 is 96018263567.

It can be written as a sum of positive squares in 4 ways, for example, as 4275852100 + 72260428969 = 65390^2 + 268813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76536281069 is a prime.

It is a super-2 number, since 2×76536281069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76536281069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76536281089) 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, 4430324 + ... + 4447565.

It is an arithmetic number, because the mean of its divisors is an integer number (9867774735).

Almost surely, 2^76536281069 is an apocalyptic number.

It is an amenable number.

76536281069 is a deficient number, since it is larger than the sum of its proper divisors (2405916811).

76536281069 is a wasteful number, since it uses less digits than its factorization.

76536281069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8878159.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 76536281069 in words is "seventy-six billion, five hundred thirty-six million, two hundred eighty-one thousand, sixty-nine".