79662231000 has 768 divisors, whose sum is σ = 318386764800. Its totient is φ = 18271008000.

The previous prime is 79662230969. The next prime is 79662231001. The reversal of 79662231000 is 13226697.

It is a super-2 number, since 2×79662231000² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79662231001) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 107216629 + ... + 107217371.

It is an arithmetic number, because the mean of its divisors is an integer number (414566100).

Almost surely, 2^79662231000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79662231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159193382400).

79662231000 is an abundant number, since it is smaller than the sum of its proper divisors (238724533800).

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

79662231000 is a wasteful number, since it uses less digits than its factorization.

79662231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

Adding to 79662231000 its reverse (13226697), we get a palindrome (79675457697).

The spelling of 79662231000 in words is "seventy-nine billion, six hundred sixty-two million, two hundred thirty-one thousand".