76389099 has 4 divisors (see below), whose sum is σ = 101852136. Its totient is φ = 50926064.

The previous prime is 76389091. The next prime is 76389107. The reversal of 76389099 is 99098367.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99098367 = 3 ⋅33032789.

It is an interprime number because it is at equal distance from previous prime (76389091) and next prime (76389107).

It is a cyclic number.

It is not a de Polignac number, because 76389099 - 2³ = 76389091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76389091) 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, 12731514 + ... + 12731519.

It is an arithmetic number, because the mean of its divisors is an integer number (25463034).

Almost surely, 2^76389099 is an apocalyptic number.

76389099 is a deficient number, since it is larger than the sum of its proper divisors (25463037).

76389099 is a wasteful number, since it uses less digits than its factorization.

76389099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25463036.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 76389099 is about 8740.0857547280. The cubic root of 76389099 is about 424.3040031601.

The spelling of 76389099 in words is "seventy-six million, three hundred eighty-nine thousand, ninety-nine".