78248495766 has 16 divisors (see below), whose sum is σ = 178853704704. Its totient is φ = 22356713064.

The previous prime is 78248495729. The next prime is 78248495779. The reversal of 78248495766 is 66759484287.

It is a happy number.

It is a super-2 number, since 2×78248495766² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78248495697 and 78248495706.

It is a congruent 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, 931529670 + ... + 931529753.

It is an arithmetic number, because the mean of its divisors is an integer number (11178356544).

Almost surely, 2^78248495766 is an apocalyptic number.

78248495766 is an abundant number, since it is smaller than the sum of its proper divisors (100605208938).

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

78248495766 is a wasteful number, since it uses less digits than its factorization.

78248495766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863059435.

The product of its digits is 162570240, while the sum is 66.

The spelling of 78248495766 in words is "seventy-eight billion, two hundred forty-eight million, four hundred ninety-five thousand, seven hundred sixty-six".