79287760 has 40 divisors (see below), whose sum is σ = 194050080. Its totient is φ = 30045312.

The previous prime is 79287757. The next prime is 79287763. The reversal of 79287760 is 6778297.

It is an interprime number because it is at equal distance from previous prime (79287757) and next prime (79287763).

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 79287760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79287763) 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, 24562 + ... + 27601.

It is an arithmetic number, because the mean of its divisors is an integer number (4851252).

Almost surely, 2^79287760 is an apocalyptic number.

It is an amenable number.

79287760 is an abundant number, since it is smaller than the sum of its proper divisors (114762320).

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

79287760 is a wasteful number, since it uses less digits than its factorization.

79287760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52195 (or 52189 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 79287760 is about 8904.3674677093. The cubic root of 79287760 is about 429.6043954807.

The spelling of 79287760 in words is "seventy-nine million, two hundred eighty-seven thousand, seven hundred sixty".