79773389140 has 24 divisors (see below), whose sum is σ = 167708856672. Its totient is φ = 31874167200.

The previous prime is 79773389089. The next prime is 79773389141. The reversal of 79773389140 is 4198337797.

It is a super-3 number, since 3×79773389140³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79773389141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2180686 + ... + 2216965.

It is an arithmetic number, because the mean of its divisors is an integer number (6987869028).

Almost surely, 2^79773389140 is an apocalyptic number.

It is an amenable number.

79773389140 is an abundant number, since it is smaller than the sum of its proper divisors (87935467532).

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

79773389140 is a wasteful number, since it uses less digits than its factorization.

79773389140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398567 (or 4398565 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 58.

The spelling of 79773389140 in words is "seventy-nine billion, seven hundred seventy-three million, three hundred eighty-nine thousand, one hundred forty".