78975950893 has 32 divisors (see below), whose sum is σ = 94095634176. Its totient is φ = 64892026368.

The previous prime is 78975950891. The next prime is 78975950897. The reversal of 78975950893 is 39805957987.

It is not a de Polignac number, because 78975950893 - 2¹ = 78975950891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78975950891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2884255 + ... + 2911507.

It is an arithmetic number, because the mean of its divisors is an integer number (2940488568).

Almost surely, 2^78975950893 is an apocalyptic number.

78975950893 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

78975950893 is a deficient number, since it is larger than the sum of its proper divisors (15119683283).

78975950893 is a wasteful number, since it uses less digits than its factorization.

78975950893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27493.

The product of its (nonzero) digits is 171460800, while the sum is 70.

The spelling of 78975950893 in words is "seventy-eight billion, nine hundred seventy-five million, nine hundred fifty thousand, eight hundred ninety-three".