79217345470 has 16 divisors (see below), whose sum is σ = 142662803760. Its totient is φ = 31671031104.

The previous prime is 79217345401. The next prime is 79217345509. The reversal of 79217345470 is 7454371297.

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, 1967460 + ... + 2007319.

It is an arithmetic number, because the mean of its divisors is an integer number (8916425235).

Almost surely, 2^79217345470 is an apocalyptic number.

79217345470 is a deficient number, since it is larger than the sum of its proper divisors (63445458290).

79217345470 is a wasteful number, since it uses less digits than its factorization.

79217345470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976779.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 79217345470 in words is "seventy-nine billion, two hundred seventeen million, three hundred forty-five thousand, four hundred seventy".