7663575405138 has 32 divisors (see below), whose sum is σ = 15656736098304. Its totient is φ = 2499618390672.

The previous prime is 7663575405137. The next prime is 7663575405209. The reversal of 7663575405138 is 8315045753667.

It is not an unprimeable number, because it can be changed into a prime (7663575405137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1743870 + ... + 4285817.

It is an arithmetic number, because the mean of its divisors is an integer number (489273003072).

Almost surely, 2^{7663575405138} is an apocalyptic number.

7663575405138 is an abundant number, since it is smaller than the sum of its proper divisors (7993160693166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7663575405138 is a wasteful number, since it uses less digits than its factorization.

7663575405138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034246.

The product of its (nonzero) digits is 63504000, while the sum is 60.

The spelling of 7663575405138 in words is "seven trillion, six hundred sixty-three billion, five hundred seventy-five million, four hundred five thousand, one hundred thirty-eight".