77982295 has 4 divisors (see below), whose sum is σ = 93578760. Its totient is φ = 62385832.

The previous prime is 77982283. The next prime is 77982301. The reversal of 77982295 is 59228977.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59228977 = 47 ⋅1260191.

It is a cyclic number.

It is not a de Polignac number, because 77982295 - 2¹¹ = 77980247 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 7798225 + ... + 7798234.

It is an arithmetic number, because the mean of its divisors is an integer number (23394690).

Almost surely, 2^77982295 is an apocalyptic number.

77982295 is a deficient number, since it is larger than the sum of its proper divisors (15596465).

77982295 is a wasteful number, since it uses less digits than its factorization.

77982295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15596464.

The product of its digits is 635040, while the sum is 49.

The square root of 77982295 is about 8830.7584611969. The cubic root of 77982295 is about 427.2335377654.

The spelling of 77982295 in words is "seventy-seven million, nine hundred eighty-two thousand, two hundred ninety-five".