7816970534 has 64 divisors (see below), whose sum is σ = 12537676800. Its totient is φ = 3651360768.

The previous prime is 7816970533. The next prime is 7816970639. The reversal of 7816970534 is 4350796187.

It is a super-2 number, since 2×7816970534² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7816970533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40502342 + ... + 40502534.

It is an arithmetic number, because the mean of its divisors is an integer number (195901200).

Almost surely, 2^7816970534 is an apocalyptic number.

7816970534 is a deficient number, since it is larger than the sum of its proper divisors (4720706266).

7816970534 is a wasteful number, since it uses less digits than its factorization.

7816970534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 7816970534 is about 88413.6331908151. The cubic root of 7816970534 is about 1984.6297244105.

The spelling of 7816970534 in words is "seven billion, eight hundred sixteen million, nine hundred seventy thousand, five hundred thirty-four".