347898397536 has 144 divisors (see below), whose sum is σ = 1002583632960. Its totient is φ = 114415441920.

The previous prime is 347898397507. The next prime is 347898397573. The reversal of 347898397536 is 635793898743.

347898397536 is a `hidden beast` number, since 3 + 4 + 7 + 8 + 9 + 83 + 9 + 7 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36876276 + ... + 36885708.

It is an arithmetic number, because the mean of its divisors is an integer number (6962386340).

Almost surely, 2^347898397536 is an apocalyptic number.

347898397536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 347898397536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501291816480).

347898397536 is an abundant number, since it is smaller than the sum of its proper divisors (654685235424).

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

347898397536 is a wasteful number, since it uses less digits than its factorization.

347898397536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149 (or 11138 counting only the distinct ones).

The product of its digits is 823011840, while the sum is 72.

The spelling of 347898397536 in words is "three hundred forty-seven billion, eight hundred ninety-eight million, three hundred ninety-seven thousand, five hundred thirty-six".