77044097 has 8 divisors (see below), whose sum is σ = 85832040. Its totient is φ = 68664960.

The previous prime is 77044091. The next prime is 77044111. The reversal of 77044097 is 79044077.

It can be written as a sum of positive squares in 4 ways, for example, as 12418576 + 64625521 = 3524^2 + 8039^2 .

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

It is not a de Polignac number, because 77044097 - 2⁴ = 77044081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77044097.

It is not an unprimeable number, because it can be changed into a prime (77044091) 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, 101804 + ... + 102557.

It is an arithmetic number, because the mean of its divisors is an integer number (10729005).

Almost surely, 2^77044097 is an apocalyptic number.

It is an amenable number.

77044097 is a deficient number, since it is larger than the sum of its proper divisors (8787943).

77044097 is a wasteful number, since it uses less digits than its factorization.

77044097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204403.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 77044097 is about 8777.4766875224. The cubic root of 77044097 is about 425.5132843409.

The spelling of 77044097 in words is "seventy-seven million, forty-four thousand, ninety-seven".