77466423 has 4 divisors (see below), whose sum is σ = 103288568. Its totient is φ = 51644280.

The previous prime is 77466421. The next prime is 77466437. The reversal of 77466423 is 32466477.

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

It is not a de Polignac number, because 77466423 - 2¹ = 77466421 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 (77466421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12911068 + ... + 12911073.

It is an arithmetic number, because the mean of its divisors is an integer number (25822142).

Almost surely, 2^77466423 is an apocalyptic number.

77466423 is a deficient number, since it is larger than the sum of its proper divisors (25822145).

77466423 is a wasteful number, since it uses less digits than its factorization.

77466423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25822144.

The product of its digits is 169344, while the sum is 39.

The square root of 77466423 is about 8801.5011787763. The cubic root of 77466423 is about 426.2893678577.

The spelling of 77466423 in words is "seventy-seven million, four hundred sixty-six thousand, four hundred twenty-three".