79481153 has 4 divisors (see below), whose sum is σ = 79565508. Its totient is φ = 79396800.

The previous prime is 79481147. The next prime is 79481167. The reversal of 79481153 is 35118497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35118497 = 859 ⋅40883.

It can be written as a sum of positive squares in 2 ways, for example, as 43864129 + 35617024 = 6623^2 + 5968^2 .

It is a cyclic number.

It is not a de Polignac number, because 79481153 - 2¹⁶ = 79415617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79480153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40748 + ... + 42653.

It is an arithmetic number, because the mean of its divisors is an integer number (19891377).

Almost surely, 2^79481153 is an apocalyptic number.

It is an amenable number.

79481153 is a deficient number, since it is larger than the sum of its proper divisors (84355).

79481153 is an equidigital number, since it uses as much as digits as its factorization.

79481153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84354.

The product of its digits is 30240, while the sum is 38.

The square root of 79481153 is about 8915.2203001384. The cubic root of 79481153 is about 429.9533985913.

The spelling of 79481153 in words is "seventy-nine million, four hundred eighty-one thousand, one hundred fifty-three".