78078511367 has 8 divisors (see below), whose sum is σ = 80721764352. Its totient is φ = 75443045400.

The previous prime is 78078511333. The next prime is 78078511393. The reversal of 78078511367 is 76311587087.

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 78078511367 - 2³⁶ = 9359034631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78078511307) 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, 1926359 + ... + 1966472.

It is an arithmetic number, because the mean of its divisors is an integer number (10090220544).

Almost surely, 2^78078511367 is an apocalyptic number.

78078511367 is a deficient number, since it is larger than the sum of its proper divisors (2643252985).

78078511367 is a wasteful number, since it uses less digits than its factorization.

78078511367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893509.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The spelling of 78078511367 in words is "seventy-eight billion, seventy-eight million, five hundred eleven thousand, three hundred sixty-seven".