78536048774108 has 24 divisors (see below), whose sum is σ = 138739215106800. Its totient is φ = 38896361186688.

The previous prime is 78536048774069. The next prime is 78536048774123. The reversal of 78536048774108 is 80147784063587.

It is a super-2 number, since 2×78536048774108² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7450643 + ... + 14580266.

It is an arithmetic number, because the mean of its divisors is an integer number (5780800629450).

Almost surely, 2^{78536048774108} is an apocalyptic number.

It is an amenable number.

78536048774108 is a deficient number, since it is larger than the sum of its proper divisors (60203166332692).

78536048774108 is a wasteful number, since it uses less digits than its factorization.

78536048774108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22039349 (or 22039347 counting only the distinct ones).

The product of its (nonzero) digits is 252887040, while the sum is 68.

The spelling of 78536048774108 in words is "seventy-eight trillion, five hundred thirty-six billion, forty-eight million, seven hundred seventy-four thousand, one hundred eight".