7875349518 has 32 divisors (see below), whose sum is σ = 16734193056. Its totient is φ = 2462256128.

The previous prime is 7875349513. The next prime is 7875349519. The reversal of 7875349518 is 8159435787.

It is a happy number.

It is a super-2 number, since 2×7875349518² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7875349513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101871 + ... + 161642.

It is an arithmetic number, because the mean of its divisors is an integer number (522943533).

Almost surely, 2^7875349518 is an apocalyptic number.

7875349518 is an abundant number, since it is smaller than the sum of its proper divisors (8858843538).

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

7875349518 is a wasteful number, since it uses less digits than its factorization.

7875349518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263828.

The product of its digits is 8467200, while the sum is 57.

The square root of 7875349518 is about 88743.1660354757. The cubic root of 7875349518 is about 1989.5580374200.

It can be divided in two parts, 78753 and 49518, that added together give a triangular number (128271 = T₅₀₆).

The spelling of 7875349518 in words is "seven billion, eight hundred seventy-five million, three hundred forty-nine thousand, five hundred eighteen".