78507013830270 has 64 divisors (see below), whose sum is σ = 198336025198080. Its totient is φ = 19833099205248.

The previous prime is 78507013830257. The next prime is 78507013830307. The reversal of 78507013830270 is 7203831070587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46321944 + ... + 47986836.

It is an arithmetic number, because the mean of its divisors is an integer number (3099000393720).

Almost surely, 2^{78507013830270} is an apocalyptic number.

78507013830270 is an abundant number, since it is smaller than the sum of its proper divisors (119829011367810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78507013830270 is a wasteful number, since it uses less digits than its factorization.

78507013830270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747649.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 78507013830270 in words is "seventy-eight trillion, five hundred seven billion, thirteen million, eight hundred thirty thousand, two hundred seventy".