5261039667 has 72 divisors (see below), whose sum is σ = 8774608752. Its totient is φ = 3131317440.

The previous prime is 5261039627. The next prime is 5261039677. The reversal of 5261039667 is 7669301625.

It is not a de Polignac number, because 5261039667 - 2⁶ = 5261039603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261039627) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3034933 + ... + 3036665.

It is an arithmetic number, because the mean of its divisors is an integer number (121869566).

Almost surely, 2^5261039667 is an apocalyptic number.

5261039667 is a deficient number, since it is larger than the sum of its proper divisors (3513569085).

5261039667 is a wasteful number, since it uses less digits than its factorization.

5261039667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 5261039667 is about 72533.0246646312. The cubic root of 5261039667 is about 1739.2306973753.

The spelling of 5261039667 in words is "five billion, two hundred sixty-one million, thirty-nine thousand, six hundred sixty-seven".