78881761346 has 8 divisors (see below), whose sum is σ = 118495883664. Its totient is φ = 39383133460.

The previous prime is 78881761297. The next prime is 78881761367. The reversal of 78881761346 is 64316718887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28871900 + ... + 28874631.

It is an arithmetic number, because the mean of its divisors is an integer number (14811985458).

Almost surely, 2^78881761346 is an apocalyptic number.

78881761346 is a deficient number, since it is larger than the sum of its proper divisors (39614122318).

78881761346 is a wasteful number, since it uses less digits than its factorization.

78881761346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57747216.

The product of its digits is 10838016, while the sum is 59.

The spelling of 78881761346 in words is "seventy-eight billion, eight hundred eighty-one million, seven hundred sixty-one thousand, three hundred forty-six".