207798081315 has 48 divisors (see below), whose sum is σ = 365734903968. Its totient is φ = 100672000000.

The previous prime is 207798081259. The next prime is 207798081391. The reversal of 207798081315 is 513180897702.

It is not a de Polignac number, because 207798081315 - 2⁶ = 207798081251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2317315 + ... + 2405315.

It is an arithmetic number, because the mean of its divisors is an integer number (7619477166).

Almost surely, 2^207798081315 is an apocalyptic number.

207798081315 is a deficient number, since it is larger than the sum of its proper divisors (157936822653).

207798081315 is a wasteful number, since it uses less digits than its factorization.

207798081315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89332 (or 89321 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 51.

The spelling of 207798081315 in words is "two hundred seven billion, seven hundred ninety-eight million, eighty-one thousand, three hundred fifteen".