7689421270755 has 48 divisors (see below), whose sum is σ = 15293064294144. Its totient is φ = 3501159336000.

The previous prime is 7689421270747. The next prime is 7689421270799. The reversal of 7689421270755 is 5570721249867.

7689421270755 is a `hidden beast` number, since 76 + 8 + 9 + 421 + 2 + 70 + 75 + 5 = 666.

It is not a de Polignac number, because 7689421270755 - 2³ = 7689421270747 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 7689421270692 and 7689421270701.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48548149 + ... + 48706278.

It is an arithmetic number, because the mean of its divisors is an integer number (318605506128).

Almost surely, 2^{7689421270755} is an apocalyptic number.

7689421270755 is a deficient number, since it is larger than the sum of its proper divisors (7603643023389).

7689421270755 is a wasteful number, since it uses less digits than its factorization.

7689421270755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97254696 (or 97254693 counting only the distinct ones).

The product of its (nonzero) digits is 59270400, while the sum is 63.

The spelling of 7689421270755 in words is "seven trillion, six hundred eighty-nine billion, four hundred twenty-one million, two hundred seventy thousand, seven hundred fifty-five".