77616982 has 8 divisors (see below), whose sum is σ = 116695656. Its totient is φ = 38718432.

The previous prime is 77616971. The next prime is 77616997. The reversal of 77616982 is 28961677.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43948 + ... + 45679.

It is an arithmetic number, because the mean of its divisors is an integer number (14586957).

Almost surely, 2^77616982 is an apocalyptic number.

77616982 is a deficient number, since it is larger than the sum of its proper divisors (39078674).

77616982 is a wasteful number, since it uses less digits than its factorization.

77616982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90062.

The product of its digits is 254016, while the sum is 46.

The square root of 77616982 is about 8810.0500566115. The cubic root of 77616982 is about 426.5653591126.

The spelling of 77616982 in words is "seventy-seven million, six hundred sixteen thousand, nine hundred eighty-two".