7693733781 has 8 divisors (see below), whose sum is σ = 11398124160. Its totient is φ = 5129155836.

The previous prime is 7693733767. The next prime is 7693733797. The reversal of 7693733781 is 1873373967.

It is a happy number.

It is not a de Polignac number, because 7693733781 - 2¹⁸ = 7693471637 is a prime.

It is a super-2 number, since 2×7693733781² (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 (7693733081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142476525 + ... + 142476578.

It is an arithmetic number, because the mean of its divisors is an integer number (1424765520).

Almost surely, 2^7693733781 is an apocalyptic number.

It is an amenable number.

7693733781 is a deficient number, since it is larger than the sum of its proper divisors (3704390379).

7693733781 is a wasteful number, since it uses less digits than its factorization.

7693733781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284953112 (or 284953106 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 54.

The square root of 7693733781 is about 87713.9315103365. The cubic root of 7693733781 is about 1974.1450152609.

The spelling of 7693733781 in words is "seven billion, six hundred ninety-three million, seven hundred thirty-three thousand, seven hundred eighty-one".