78513465207 has 32 divisors (see below), whose sum is σ = 107201995776. Its totient is φ = 51097622400.

The previous prime is 78513465181. The next prime is 78513465209. The reversal of 78513465207 is 70256431587.

It is not a de Polignac number, because 78513465207 - 2¹⁴ = 78513448823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78513465209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21621282 + ... + 21624912.

It is an arithmetic number, because the mean of its divisors is an integer number (3350062368).

Almost surely, 2^78513465207 is an apocalyptic number.

78513465207 is a deficient number, since it is larger than the sum of its proper divisors (28688530569).

78513465207 is a wasteful number, since it uses less digits than its factorization.

78513465207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 78513465207 in words is "seventy-eight billion, five hundred thirteen million, four hundred sixty-five thousand, two hundred seven".