79319250540 has 96 divisors (see below), whose sum is σ = 246828980160. Its totient is φ = 21146830848.

The previous prime is 79319250529. The next prime is 79319250583. The reversal of 79319250540 is 4505291397.

It is a happy number.

79319250540 is a `hidden beast` number, since 7 + 93 + 19 + 2 + 5 + 0 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2670652 + ... + 2700188.

It is an arithmetic number, because the mean of its divisors is an integer number (2571135210).

Almost surely, 2^79319250540 is an apocalyptic number.

It is an amenable number.

79319250540 is an abundant number, since it is smaller than the sum of its proper divisors (167509729620).

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

79319250540 is a wasteful number, since it uses less digits than its factorization.

79319250540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34528 (or 34520 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 79319250540 in words is "seventy-nine billion, three hundred nineteen million, two hundred fifty thousand, five hundred forty".