79623000000 has 490 divisors, whose sum is σ = 295330750968. Its totient is φ = 21211200000.

The previous prime is 79622999983. The next prime is 79623000043. The reversal of 79623000000 is 32697.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 80999509 + ... + 81000491.

Almost surely, 2^79623000000 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 79623000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147665375484).

79623000000 is an abundant number, since it is smaller than the sum of its proper divisors (215707750968).

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

79623000000 is an frugal number, since it uses more digits than its factorization.

79623000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

Adding to 79623000000 its reverse (32697), we get a palindrome (79623032697).

The spelling of 79623000000 in words is "seventy-nine billion, six hundred twenty-three million", and thus it is an aban number.