79252751066 has 4 divisors (see below), whose sum is σ = 118879126602. Its totient is φ = 39626375532.

The previous prime is 79252751063. The next prime is 79252751141. The reversal of 79252751066 is 66015725297.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66015725297 = 25609 ⋅2577833.

It can be written as a sum of positive squares in only one way, i.e., 53721504841 + 25531246225 = 231779^2 + 159785^2 .

It is not an unprimeable number, because it can be changed into a prime (79252751063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19813187765 + ... + 19813187768.

Almost surely, 2^79252751066 is an apocalyptic number.

79252751066 is a deficient number, since it is larger than the sum of its proper divisors (39626375536).

79252751066 is a wasteful number, since it uses less digits than its factorization.

79252751066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39626375535.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 79252751066 in words is "seventy-nine billion, two hundred fifty-two million, seven hundred fifty-one thousand, sixty-six".