76489986 has 16 divisors (see below), whose sum is σ = 153094464. Its totient is φ = 25477584.

The previous prime is 76489979. The next prime is 76489993. The reversal of 76489986 is 68998467.

It is an interprime number because it is at equal distance from previous prime (76489979) and next prime (76489993).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5676 + ... + 13608.

It is an arithmetic number, because the mean of its divisors is an integer number (9568404).

Almost surely, 2^76489986 is an apocalyptic number.

76489986 is an abundant number, since it is smaller than the sum of its proper divisors (76604478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76489986 is a wasteful number, since it uses less digits than its factorization.

76489986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9545.

The product of its digits is 5225472, while the sum is 57.

The square root of 76489986 is about 8745.8553612554. The cubic root of 76489986 is about 424.4907136000.

The spelling of 76489986 in words is "seventy-six million, four hundred eighty-nine thousand, nine hundred eighty-six".