79448389530 has 32 divisors (see below), whose sum is σ = 190799025984. Its totient is φ = 21172582656.

The previous prime is 79448389523. The next prime is 79448389541. The reversal of 79448389530 is 3598384497.

It is a super-2 number, since 2×79448389530² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806044 + ... + 899223.

It is an arithmetic number, because the mean of its divisors is an integer number (5962469562).

Almost surely, 2^79448389530 is an apocalyptic number.

79448389530 is an abundant number, since it is smaller than the sum of its proper divisors (111350636454).

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

79448389530 is a wasteful number, since it uses less digits than its factorization.

79448389530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706830.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 79448389530 in words is "seventy-nine billion, four hundred forty-eight million, three hundred eighty-nine thousand, five hundred thirty".