78504362250238 has 8 divisors (see below), whose sum is σ = 119369646709488. Its totient is φ = 38714480013744.

The previous prime is 78504362250233. The next prime is 78504362250241. The reversal of 78504362250238 is 83205226340587.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78504362250233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268850555506 + ... + 268850555797.

It is an arithmetic number, because the mean of its divisors is an integer number (14921205838686).

Almost surely, 2^{78504362250238} is an apocalyptic number.

78504362250238 is a deficient number, since it is larger than the sum of its proper divisors (40865284459250).

78504362250238 is a wasteful number, since it uses less digits than its factorization.

78504362250238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537701111378.

The product of its (nonzero) digits is 19353600, while the sum is 55.

The spelling of 78504362250238 in words is "seventy-eight trillion, five hundred four billion, three hundred sixty-two million, two hundred fifty thousand, two hundred thirty-eight".