77412123 has 12 divisors (see below), whose sum is σ = 112505640. Its totient is φ = 51290496.

The previous prime is 77412121. The next prime is 77412151. The reversal of 77412123 is 32121477.

It is a happy number.

It is not a de Polignac number, because 77412123 - 2¹ = 77412121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77412121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24918 + ... + 27851.

It is an arithmetic number, because the mean of its divisors is an integer number (9375470).

Almost surely, 2^77412123 is an apocalyptic number.

77412123 is a deficient number, since it is larger than the sum of its proper divisors (35093517).

77412123 is a wasteful number, since it uses less digits than its factorization.

77412123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52938 (or 52935 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 77412123 is about 8798.4159369741. The cubic root of 77412123 is about 426.1897422294.

The spelling of 77412123 in words is "seventy-seven million, four hundred twelve thousand, one hundred twenty-three".