77676982 has 8 divisors (see below), whose sum is σ = 118156752. Its totient is φ = 38291400.

The previous prime is 77676943. The next prime is 77676983. The reversal of 77676982 is 28967677.

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 not an unprimeable number, because it can be changed into a prime (77676983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273369 + ... + 273652.

It is an arithmetic number, because the mean of its divisors is an integer number (14769594).

Almost surely, 2^77676982 is an apocalyptic number.

77676982 is a deficient number, since it is larger than the sum of its proper divisors (40479770).

77676982 is a wasteful number, since it uses less digits than its factorization.

77676982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547094.

The product of its digits is 1778112, while the sum is 52.

The square root of 77676982 is about 8813.4546007794. The cubic root of 77676982 is about 426.6752462739.

The spelling of 77676982 in words is "seventy-seven million, six hundred seventy-six thousand, nine hundred eighty-two".