77968162937 has 8 divisors (see below), whose sum is σ = 93796286400. Its totient is φ = 63312493104.

The previous prime is 77968162903. The next prime is 77968162981. The reversal of 77968162937 is 73926186977.

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

It is not a de Polignac number, because 77968162937 - 2⁶ = 77968162873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77968122937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293113262 + ... + 293113527.

It is an arithmetic number, because the mean of its divisors is an integer number (11724535800).

Almost surely, 2^77968162937 is an apocalyptic number.

It is an amenable number.

77968162937 is a deficient number, since it is larger than the sum of its proper divisors (15828123463).

77968162937 is a wasteful number, since it uses less digits than its factorization.

77968162937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586226815.

The product of its digits is 48009024, while the sum is 65.

The spelling of 77968162937 in words is "seventy-seven billion, nine hundred sixty-eight million, one hundred sixty-two thousand, nine hundred thirty-seven".