78625530845 has 8 divisors (see below), whose sum is σ = 96358097664. Its totient is φ = 61562117584.

The previous prime is 78625530817. The next prime is 78625530883. The reversal of 78625530845 is 54803552687.

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 78625530845 - 2¹⁶ = 78625465309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167288129 + ... + 167288598.

It is an arithmetic number, because the mean of its divisors is an integer number (12044762208).

Almost surely, 2^78625530845 is an apocalyptic number.

It is an amenable number.

78625530845 is a deficient number, since it is larger than the sum of its proper divisors (17732566819).

78625530845 is a wasteful number, since it uses less digits than its factorization.

78625530845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334576779.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 78625530845 in words is "seventy-eight billion, six hundred twenty-five million, five hundred thirty thousand, eight hundred forty-five".