78323301 has 64 divisors (see below), whose sum is σ = 147916800. Its totient is φ = 39875328.

The previous prime is 78323299. The next prime is 78323327. The reversal of 78323301 is 10332387.

It is not a de Polignac number, because 78323301 - 2¹ = 78323299 is a prime.

It is a super-2 number, since 2×78323301² = 12269078959073202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78323381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60406 + ... + 61688.

It is an arithmetic number, because the mean of its divisors is an integer number (2311200).

Almost surely, 2^78323301 is an apocalyptic number.

It is an amenable number.

78323301 is a deficient number, since it is larger than the sum of its proper divisors (69593499).

78323301 is a wasteful number, since it uses less digits than its factorization.

78323301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1329 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 78323301 is about 8850.0452541216. The cubic root of 78323301 is about 427.8553770110.

Adding to 78323301 its reverse (10332387), we get a palindrome (88655688).

The spelling of 78323301 in words is "seventy-eight million, three hundred twenty-three thousand, three hundred one".