78850084712261 has 8 divisors (see below), whose sum is σ = 82279970869824. Its totient is φ = 75420333688480.

The previous prime is 78850084712257. The next prime is 78850084712263. The reversal of 78850084712261 is 16221748005887.

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

It is a cyclic number.

It is not a de Polignac number, because 78850084712261 - 2² = 78850084712257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78850084712261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78850084712263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32590175 + ... + 34925916.

It is an arithmetic number, because the mean of its divisors is an integer number (10284996358728).

Almost surely, 2^{78850084712261} is an apocalyptic number.

It is an amenable number.

78850084712261 is a deficient number, since it is larger than the sum of its proper divisors (3429886157563).

78850084712261 is a wasteful number, since it uses less digits than its factorization.

78850084712261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67566891.

The product of its (nonzero) digits is 12042240, while the sum is 59.

The spelling of 78850084712261 in words is "seventy-eight trillion, eight hundred fifty billion, eighty-four million, seven hundred twelve thousand, two hundred sixty-one".