78610987316 has 12 divisors (see below), whose sum is σ = 137573624832. Its totient is φ = 39304237368.

The previous prime is 78610987309. The next prime is 78610987321. The reversal of 78610987316 is 61378901687.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165470 + ... + 429653.

It is an arithmetic number, because the mean of its divisors is an integer number (11464468736).

Almost surely, 2^78610987316 is an apocalyptic number.

It is an amenable number.

78610987316 is a deficient number, since it is larger than the sum of its proper divisors (58962637516).

78610987316 is a wasteful number, since it uses less digits than its factorization.

78610987316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628150 (or 628148 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 78610987316 in words is "seventy-eight billion, six hundred ten million, nine hundred eighty-seven thousand, three hundred sixteen".