7875497536 has 21 divisors (see below), whose sum is σ = 15629349361. Its totient is φ = 3937393792.

The previous prime is 7875497467. The next prime is 7875497543. The reversal of 7875497536 is 6357945787.

The square root of 7875497536 is 88744.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6561000000 + 1314497536 = 81000^2 + 36256^2 .

It is a super-2 number, since 2×7875497536² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 704406 + ... + 715498.

Almost surely, 2^7875497536 is an apocalyptic number.

7875497536 is the 88744-th square number.

It is an amenable number.

7875497536 is a deficient number, since it is larger than the sum of its proper divisors (7753851825).

7875497536 is an frugal number, since it uses more digits than its factorization.

7875497536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22198 (or 11095 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 61.

The cubic root of 7875497536 is about 1989.5705019909.

The spelling of 7875497536 in words is "seven billion, eight hundred seventy-five million, four hundred ninety-seven thousand, five hundred thirty-six".