78504383077716 has 36 divisors (see below), whose sum is σ = 187753592017376. Its totient is φ = 25529880669120.

The previous prime is 78504383077693. The next prime is 78504383077763. The reversal of 78504383077716 is 61777038340587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1945854880 + ... + 1945895223.

Almost surely, 2^{78504383077716} is an apocalyptic number.

It is an amenable number.

78504383077716 is an abundant number, since it is smaller than the sum of its proper divisors (109249208939660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78504383077716 is a wasteful number, since it uses less digits than its factorization.

78504383077716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891750192 (or 3891750149 counting only the distinct ones).

The product of its (nonzero) digits is 165957120, while the sum is 66.

The spelling of 78504383077716 in words is "seventy-eight trillion, five hundred four billion, three hundred eighty-three million, seventy-seven thousand, seven hundred sixteen".