78363099 has 16 divisors (see below), whose sum is σ = 117294240. Its totient is φ = 51701760.

The previous prime is 78363083. The next prime is 78363107. The reversal of 78363099 is 99036387.

It is a happy number.

78363099 is a `hidden beast` number, since 7 + 8 + 3 + 630 + 9 + 9 = 666.

It is not a de Polignac number, because 78363099 - 2⁴ = 78363083 is a prime.

It is a super-2 number, since 2×78363099² = 12281550569767602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78363029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12342 + ... + 17579.

It is an arithmetic number, because the mean of its divisors is an integer number (7330890).

Almost surely, 2^78363099 is an apocalyptic number.

78363099 is a deficient number, since it is larger than the sum of its proper divisors (38931141).

78363099 is a wasteful number, since it uses less digits than its factorization.

78363099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30027 (or 30021 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 78363099 is about 8852.2934316481. The cubic root of 78363099 is about 427.9278326949.

The spelling of 78363099 in words is "seventy-eight million, three hundred sixty-three thousand, ninety-nine".