78765080770 has 16 divisors (see below), whose sum is σ = 141856515648. Its totient is φ = 31488394480.

The previous prime is 78765080729. The next prime is 78765080809. The reversal of 78765080770 is 7708056787.

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, 2185966 + ... + 2221705.

It is an arithmetic number, because the mean of its divisors is an integer number (8866032228).

Almost surely, 2^78765080770 is an apocalyptic number.

78765080770 is a deficient number, since it is larger than the sum of its proper divisors (63091434878).

78765080770 is a wasteful number, since it uses less digits than its factorization.

78765080770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409465.

The product of its (nonzero) digits is 4609920, while the sum is 55.

The spelling of 78765080770 in words is "seventy-eight billion, seven hundred sixty-five million, eighty thousand, seven hundred seventy".