79782546 has 16 divisors (see below), whose sum is σ = 160088544. Its totient is φ = 26506944.

The previous prime is 79782541. The next prime is 79782551. The reversal of 79782546 is 64528797.

It is an interprime number because it is at equal distance from previous prime (79782541) and next prime (79782551).

It is a junction number, because it is equal to n+sod(n) for n = 79782495 and 79782504.

It is not an unprimeable number, because it can be changed into a prime (79782541) 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, 19815 + ... + 23498.

It is an arithmetic number, because the mean of its divisors is an integer number (10005534).

Almost surely, 2^79782546 is an apocalyptic number.

79782546 is an abundant number, since it is smaller than the sum of its proper divisors (80305998).

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

79782546 is a wasteful number, since it uses less digits than its factorization.

79782546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43625.

The product of its digits is 846720, while the sum is 48.

The square root of 79782546 is about 8932.1075900372. The cubic root of 79782546 is about 430.4961750373.

The spelling of 79782546 in words is "seventy-nine million, seven hundred eighty-two thousand, five hundred forty-six".