1979779015032 has 288 divisors, whose sum is σ = 6562617753600. Its totient is φ = 494657549568.

The previous prime is 1979779015003. The next prime is 1979779015103. The reversal of 1979779015032 is 2305109779791.

It is a super-2 number, since 2×1979779015032² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3513993 + ... + 4038279.

It is an arithmetic number, because the mean of its divisors is an integer number (22786867200).

Almost surely, 2^{1979779015032} is an apocalyptic number.

1979779015032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1979779015032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3281308876800).

1979779015032 is an abundant number, since it is smaller than the sum of its proper divisors (4582838738568).

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

1979779015032 is a wasteful number, since it uses less digits than its factorization.

1979779015032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524355 (or 524331 counting only the distinct ones).

The product of its (nonzero) digits is 7501410, while the sum is 60.

The spelling of 1979779015032 in words is "one trillion, nine hundred seventy-nine billion, seven hundred seventy-nine million, fifteen thousand, thirty-two".