78994303 has 2 divisors, whose sum is σ = 78994304. Its totient is φ = 78994302.

The previous prime is 78994301. The next prime is 78994339. The reversal of 78994303 is 30349987.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78994303 - 2¹ = 78994301 is a prime.

Together with 78994301, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 78994303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78994301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39497151 + 39497152.

It is an arithmetic number, because the mean of its divisors is an integer number (39497152).

Almost surely, 2^78994303 is an apocalyptic number.

78994303 is a deficient number, since it is larger than the sum of its proper divisors (1).

78994303 is an equidigital number, since it uses as much as digits as its factorization.

78994303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 78994303 is about 8887.8739302490. The cubic root of 78994303 is about 429.0737281433.

Subtracting from 78994303 its reverse (30349987), we obtain a triangular number (48644316 = T₉₈₆₃).

It can be divided in two parts, 78994 and 303, that added together give a palindrome (79297).

The spelling of 78994303 in words is "seventy-eight million, nine hundred ninety-four thousand, three hundred three".