76440867308085 has 48 divisors (see below), whose sum is σ = 146118847124736. Its totient is φ = 33999953323392.

The previous prime is 76440867308041. The next prime is 76440867308087. The reversal of 76440867308085 is 58080376804467.

It is not a de Polignac number, because 76440867308085 - 2¹⁸ = 76440867045941 is a prime.

It is a super-2 number, since 2×76440867308085² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76440867308087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1405394157 + ... + 1405448546.

It is an arithmetic number, because the mean of its divisors is an integer number (3044142648432).

Almost surely, 2^{76440867308085} is an apocalyptic number.

It is an amenable number.

76440867308085 is a deficient number, since it is larger than the sum of its proper divisors (69677979816651).

76440867308085 is a wasteful number, since it uses less digits than its factorization.

76440867308085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810842762 (or 2810842755 counting only the distinct ones).

The product of its (nonzero) digits is 216760320, while the sum is 66.

The spelling of 76440867308085 in words is "seventy-six trillion, four hundred forty billion, eight hundred sixty-seven million, three hundred eight thousand, eighty-five".