77916206282 has 4 divisors (see below), whose sum is σ = 116874309426. Its totient is φ = 38958103140.

The previous prime is 77916206239. The next prime is 77916206293. The reversal of 77916206282 is 28260261977.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50697475921 + 27218730361 = 225161^2 + 164981^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 77916206282.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19479051569 + ... + 19479051572.

Almost surely, 2^77916206282 is an apocalyptic number.

77916206282 is a deficient number, since it is larger than the sum of its proper divisors (38958103144).

77916206282 is a wasteful number, since it uses less digits than its factorization.

77916206282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38958103143.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 77916206282 in words is "seventy-seven billion, nine hundred sixteen million, two hundred six thousand, two hundred eighty-two".