347797517420 has 24 divisors (see below), whose sum is σ = 731686075344. Its totient is φ = 138869237696.

The previous prime is 347797517399. The next prime is 347797517423. The reversal of 347797517420 is 24715797743.

It is a super-2 number, since 2×347797517420² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (347797517423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15599162 + ... + 15621441.

It is an arithmetic number, because the mean of its divisors is an integer number (30486919806).

Almost surely, 2^347797517420 is an apocalyptic number.

It is an amenable number.

347797517420 is an abundant number, since it is smaller than the sum of its proper divisors (383888557924).

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

347797517420 is a wasteful number, since it uses less digits than its factorization.

347797517420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31221169 (or 31221167 counting only the distinct ones).

The product of its (nonzero) digits is 10372320, while the sum is 56.

The spelling of 347797517420 in words is "three hundred forty-seven billion, seven hundred ninety-seven million, five hundred seventeen thousand, four hundred twenty".