77412099 has 16 divisors (see below), whose sum is σ = 109020800. Its totient is φ = 48724416.

The previous prime is 77412091. The next prime is 77412121. The reversal of 77412099 is 99021477.

It is not a de Polignac number, because 77412099 - 2³ = 77412091 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77412091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15672 + ... + 20010.

It is an arithmetic number, because the mean of its divisors is an integer number (6813800).

Almost surely, 2^77412099 is an apocalyptic number.

77412099 is a deficient number, since it is larger than the sum of its proper divisors (31608701).

77412099 is a wasteful number, since it uses less digits than its factorization.

77412099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4674.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 77412099 is about 8798.4145730921. The cubic root of 77412099 is about 426.1896981857.

The spelling of 77412099 in words is "seventy-seven million, four hundred twelve thousand, ninety-nine".