7686750457 has 4 divisors (see below), whose sum is σ = 7742050960. Its totient is φ = 7631449956.

The previous prime is 7686750437. The next prime is 7686750509. The reversal of 7686750457 is 7540576867.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7686750457 - 2³¹ = 5539266809 is a prime.

It is a super-2 number, since 2×7686750457² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7686750398 and 7686750407.

It is not an unprimeable number, because it can be changed into a prime (7686750437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27650043 + ... + 27650320.

It is an arithmetic number, because the mean of its divisors is an integer number (1935512740).

Almost surely, 2^7686750457 is an apocalyptic number.

It is an amenable number.

7686750457 is a deficient number, since it is larger than the sum of its proper divisors (55300503).

7686750457 is a wasteful number, since it uses less digits than its factorization.

7686750457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55300502.

The product of its (nonzero) digits is 9878400, while the sum is 55.

The square root of 7686750457 is about 87674.1150910575. The cubic root of 7686750457 is about 1973.5475477717.

The spelling of 7686750457 in words is "seven billion, six hundred eighty-six million, seven hundred fifty thousand, four hundred fifty-seven".