79509648 has 40 divisors (see below), whose sum is σ = 212486400. Its totient is φ = 25588864.

The previous prime is 79509583. The next prime is 79509649. The reversal of 79509648 is 84690597.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 79509597 and 79509606.

It is not an unprimeable number, because it can be changed into a prime (79509649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27168 + ... + 29951.

It is an arithmetic number, because the mean of its divisors is an integer number (5312160).

Almost surely, 2^79509648 is an apocalyptic number.

It is an amenable number.

79509648 is an abundant number, since it is smaller than the sum of its proper divisors (132976752).

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

79509648 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 79509648 = (40976859)₁₁.

79509648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57159 (or 57153 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 79509648 is about 8916.8182666240. The cubic root of 79509648 is about 430.0047736986.

The spelling of 79509648 in words is "seventy-nine million, five hundred nine thousand, six hundred forty-eight".