76985499 has 4 divisors (see below), whose sum is σ = 102647336. Its totient is φ = 51323664.

The previous prime is 76985453. The next prime is 76985507. The reversal of 76985499 is 99458967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99458967 = 3 ⋅33152989.

It is not a de Polignac number, because 76985499 - 2⁸ = 76985243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76985399) 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, 12830914 + ... + 12830919.

It is an arithmetic number, because the mean of its divisors is an integer number (25661834).

Almost surely, 2^76985499 is an apocalyptic number.

76985499 is a deficient number, since it is larger than the sum of its proper divisors (25661837).

76985499 is a wasteful number, since it uses less digits than its factorization.

76985499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25661836.

The product of its digits is 4898880, while the sum is 57.

The square root of 76985499 is about 8774.1380773270. The cubic root of 76985499 is about 425.4053783816.

It can be divided in two parts, 769 and 85499, that added together give a palindrome (86268).

The spelling of 76985499 in words is "seventy-six million, nine hundred eighty-five thousand, four hundred ninety-nine".