78213700723294 has 8 divisors (see below), whose sum is σ = 117343160572680. Its totient is φ = 39099313865736.

The previous prime is 78213700723267. The next prime is 78213700723307. The reversal of 78213700723294 is 49232700731287.

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

It is a super-3 number, since 3×78213700723294³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3768234984 + ... + 3768255739.

It is an arithmetic number, because the mean of its divisors is an integer number (14667895071585).

Almost surely, 2^{78213700723294} is an apocalyptic number.

78213700723294 is a deficient number, since it is larger than the sum of its proper divisors (39129459849386).

78213700723294 is a wasteful number, since it uses less digits than its factorization.

78213700723294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536495914.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 78213700723294 in words is "seventy-eight trillion, two hundred thirteen billion, seven hundred million, seven hundred twenty-three thousand, two hundred ninety-four".