78324623 has 8 divisors (see below), whose sum is σ = 84436128. Its totient is φ = 72225504.

The previous prime is 78324613. The next prime is 78324647. The reversal of 78324623 is 32642387.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78324623 - 2¹⁰ = 78323599 is a prime.

It is a super-2 number, since 2×78324623² = 12269493136184258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78324613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13286 + ... + 18252.

It is an arithmetic number, because the mean of its divisors is an integer number (10554516).

Almost surely, 2^78324623 is an apocalyptic number.

78324623 is a deficient number, since it is larger than the sum of its proper divisors (6111505).

78324623 is a wasteful number, since it uses less digits than its factorization.

78324623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6193.

The product of its digits is 48384, while the sum is 35.

The square root of 78324623 is about 8850.1199426900. The cubic root of 78324623 is about 427.8577842198.

The spelling of 78324623 in words is "seventy-eight million, three hundred twenty-four thousand, six hundred twenty-three".