78984351 has 6 divisors (see below), whose sum is σ = 114088520. Its totient is φ = 52656228.

The previous prime is 78984337. The next prime is 78984379. The reversal of 78984351 is 15348987.

It is not a de Polignac number, because 78984351 - 2⁵ = 78984319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78984297 and 78984306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78984331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4388011 + ... + 4388028.

Almost surely, 2^78984351 is an apocalyptic number.

78984351 is a deficient number, since it is larger than the sum of its proper divisors (35104169).

78984351 is a wasteful number, since it uses less digits than its factorization.

78984351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8776045 (or 8776042 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 78984351 is about 8887.3140486876. The cubic root of 78984351 is about 429.0557086115.

The spelling of 78984351 in words is "seventy-eight million, nine hundred eighty-four thousand, three hundred fifty-one".