77981141419 has 8 divisors (see below), whose sum is σ = 84087496080. Its totient is φ = 72074995200.

The previous prime is 77981141377. The next prime is 77981141437. The reversal of 77981141419 is 91414118977.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77981141419 - 2¹¹ = 77981139371 is a prime.

It is a super-2 number, since 2×77981141419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77981145419) 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, 50051302 + ... + 50052859.

It is an arithmetic number, because the mean of its divisors is an integer number (10510937010).

Almost surely, 2^77981141419 is an apocalyptic number.

77981141419 is a deficient number, since it is larger than the sum of its proper divisors (6106354661).

77981141419 is a wasteful number, since it uses less digits than its factorization.

77981141419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100104221.

The product of its digits is 508032, while the sum is 52.

The spelling of 77981141419 in words is "seventy-seven billion, nine hundred eighty-one million, one hundred forty-one thousand, four hundred nineteen".