748208615667 has 16 divisors (see below), whose sum is σ = 998107568640. Its totient is φ = 498557781792.

The previous prime is 748208615663. The next prime is 748208615669. The reversal of 748208615667 is 766516802847.

It is not a de Polignac number, because 748208615667 - 2² = 748208615663 is a prime.

It is a super-2 number, since 2×748208615667² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 748208615667.

It is not an unprimeable number, because it can be changed into a prime (748208615663) 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, 87741558 + ... + 87750084.

It is an arithmetic number, because the mean of its divisors is an integer number (62381723040).

Almost surely, 2^748208615667 is an apocalyptic number.

748208615667 is a deficient number, since it is larger than the sum of its proper divisors (249898952973).

748208615667 is a wasteful number, since it uses less digits than its factorization.

748208615667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19642.

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 748208615667 in words is "seven hundred forty-eight billion, two hundred eight million, six hundred fifteen thousand, six hundred sixty-seven".