348871521075 has 144 divisors (see below), whose sum is σ = 723273302784. Its totient is φ = 144152812800.

The previous prime is 348871521071. The next prime is 348871521083. The reversal of 348871521075 is 570125178843.

It is not a de Polignac number, because 348871521075 - 2² = 348871521071 is a prime.

It is a super-2 number, since 2×348871521075² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (348871521071) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 747047992 + ... + 747048458.

Almost surely, 2^348871521075 is an apocalyptic number.

348871521075 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

348871521075 is an abundant number, since it is smaller than the sum of its proper divisors (374401781709).

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

348871521075 is a wasteful number, since it uses less digits than its factorization.

348871521075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 51.

The spelling of 348871521075 in words is "three hundred forty-eight billion, eight hundred seventy-one million, five hundred twenty-one thousand, seventy-five".