7690923505 has 8 divisors (see below), whose sum is σ = 9771997032. Its totient is φ = 5790812928.

The previous prime is 7690923497. The next prime is 7690923521. The reversal of 7690923505 is 5053290967.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3077253729 + 4613669776 = 55473^2 + 67924^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7690923505 - 2³ = 7690923497 is a prime.

It is a super-2 number, since 2×7690923505² (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 7 ways as a sum of consecutive naturals, for example, 45240642 + ... + 45240811.

It is an arithmetic number, because the mean of its divisors is an integer number (1221499629).

Almost surely, 2^7690923505 is an apocalyptic number.

It is an amenable number.

7690923505 is a deficient number, since it is larger than the sum of its proper divisors (2081073527).

7690923505 is a wasteful number, since it uses less digits than its factorization.

7690923505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90481475.

The product of its (nonzero) digits is 510300, while the sum is 46.

The square root of 7690923505 is about 87697.9104939223. The cubic root of 7690923505 is about 1973.9046218819.

The spelling of 7690923505 in words is "seven billion, six hundred ninety million, nine hundred twenty-three thousand, five hundred five".