78735875771372 has 24 divisors (see below), whose sum is σ = 143652378892176. Its totient is φ = 37726887377088.

The previous prime is 78735875771351. The next prime is 78735875771459. The reversal of 78735875771372 is 27317757853787.

It is a junction number, because it is equal to n+sod(n) for n = 78735875771293 and 78735875771302.

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, 4318544843 + ... + 4318563074.

It is an arithmetic number, because the mean of its divisors is an integer number (5985515787174).

Almost surely, 2^{78735875771372} is an apocalyptic number.

It is an amenable number.

78735875771372 is a deficient number, since it is larger than the sum of its proper divisors (64916503120804).

78735875771372 is a wasteful number, since it uses less digits than its factorization.

78735875771372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8637108017 (or 8637108015 counting only the distinct ones).

The product of its digits is 3388291200, while the sum is 77.

The spelling of 78735875771372 in words is "seventy-eight trillion, seven hundred thirty-five billion, eight hundred seventy-five million, seven hundred seventy-one thousand, three hundred seventy-two".