78496635730207 has 16 divisors (see below), whose sum is σ = 80744924744320. Its totient is φ = 76255063496352.

The previous prime is 78496635730187. The next prime is 78496635730213. The reversal of 78496635730207 is 70203753669487.

It is a cyclic number.

It is not a de Polignac number, because 78496635730207 - 2³⁹ = 77946879916319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78496635730237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125547988 + ... + 126171670.

It is an arithmetic number, because the mean of its divisors is an integer number (5046557796520).

Almost surely, 2^{78496635730207} is an apocalyptic number.

78496635730207 is a deficient number, since it is larger than the sum of its proper divisors (2248289014113).

78496635730207 is a wasteful number, since it uses less digits than its factorization.

78496635730207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629062.

The product of its (nonzero) digits is 320060160, while the sum is 67.

The spelling of 78496635730207 in words is "seventy-eight trillion, four hundred ninety-six billion, six hundred thirty-five million, seven hundred thirty thousand, two hundred seven".