78951460971 has 8 divisors (see below), whose sum is σ = 107254815120. Its totient is φ = 51641207072.

The previous prime is 78951460967. The next prime is 78951460981. The reversal of 78951460971 is 17906415987.

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 78951460971 - 2² = 78951460967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78951460921) 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, 248274876 + ... + 248275193.

It is an arithmetic number, because the mean of its divisors is an integer number (13406851890).

Almost surely, 2^78951460971 is an apocalyptic number.

78951460971 is a deficient number, since it is larger than the sum of its proper divisors (28303354149).

78951460971 is a wasteful number, since it uses less digits than its factorization.

78951460971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496550125.

The product of its (nonzero) digits is 3810240, while the sum is 57.

The spelling of 78951460971 in words is "seventy-eight billion, nine hundred fifty-one million, four hundred sixty thousand, nine hundred seventy-one".