77380053 has 8 divisors (see below), whose sum is σ = 105120288. Its totient is φ = 50613264.

The previous prime is 77380019. The next prime is 77380057. The reversal of 77380053 is 35008377.

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

It is not a de Polignac number, because 77380053 - 2⁹ = 77379541 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 77379996 and 77380023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77380057) 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, 243175 + ... + 243492.

It is an arithmetic number, because the mean of its divisors is an integer number (13140036).

Almost surely, 2^77380053 is an apocalyptic number.

It is an amenable number.

77380053 is a deficient number, since it is larger than the sum of its proper divisors (27740235).

77380053 is a wasteful number, since it uses less digits than its factorization.

77380053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486723.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 77380053 is about 8796.5932610301. The cubic root of 77380053 is about 426.1308806783.

The spelling of 77380053 in words is "seventy-seven million, three hundred eighty thousand, fifty-three".