77338097 has 4 divisors (see below), whose sum is σ = 77444340. Its totient is φ = 77231856.

The previous prime is 77338091. The next prime is 77338141. The reversal of 77338097 is 79083377.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 66846976 + 10491121 = 8176^2 + 3239^2 .

It is a cyclic number.

It is not a de Polignac number, because 77338097 - 2⁴ = 77338081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77338091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52022 + ... + 53487.

It is an arithmetic number, because the mean of its divisors is an integer number (19361085).

Almost surely, 2^77338097 is an apocalyptic number.

It is an amenable number.

77338097 is a deficient number, since it is larger than the sum of its proper divisors (106243).

77338097 is a wasteful number, since it uses less digits than its factorization.

77338097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106242.

The product of its (nonzero) digits is 222264, while the sum is 44.

The square root of 77338097 is about 8794.2081508229. The cubic root of 77338097 is about 426.0538497173.

The spelling of 77338097 in words is "seventy-seven million, three hundred thirty-eight thousand, ninety-seven".