78787165073 has 8 divisors (see below), whose sum is σ = 79796762880. Its totient is φ = 77777874720.

The previous prime is 78787165063. The next prime is 78787165087. The reversal of 78787165073 is 37056178787.

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

It is a cyclic number.

It is not a de Polignac number, because 78787165073 - 2¹⁶ = 78787099537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78787165003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463061 + ... + 609917.

It is an arithmetic number, because the mean of its divisors is an integer number (9974595360).

Almost surely, 2^78787165073 is an apocalyptic number.

It is an amenable number.

78787165073 is a deficient number, since it is larger than the sum of its proper divisors (1009597807).

78787165073 is a wasteful number, since it uses less digits than its factorization.

78787165073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153727.

The product of its (nonzero) digits is 13829760, while the sum is 59.

The spelling of 78787165073 in words is "seventy-eight billion, seven hundred eighty-seven million, one hundred sixty-five thousand, seventy-three".