77464117 has 4 divisors (see below), whose sum is σ = 77508256. Its totient is φ = 77419980.

The previous prime is 77464091. The next prime is 77464141. The reversal of 77464117 is 71146477.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71146477 = 4013 ⋅17729.

It is a cyclic number.

It is not a de Polignac number, because 77464117 - 2⁷ = 77463989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77464157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19323 + ... + 22984.

It is an arithmetic number, because the mean of its divisors is an integer number (19377064).

Almost surely, 2^77464117 is an apocalyptic number.

It is an amenable number.

77464117 is a deficient number, since it is larger than the sum of its proper divisors (44139).

77464117 is a wasteful number, since it uses less digits than its factorization.

77464117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44138.

The product of its digits is 32928, while the sum is 37.

The square root of 77464117 is about 8801.3701774212. The cubic root of 77464117 is about 426.2851379260.

The spelling of 77464117 in words is "seventy-seven million, four hundred sixty-four thousand, one hundred seventeen".