77883518012 has 24 divisors (see below), whose sum is σ = 138445776000. Its totient is φ = 38331507456.

The previous prime is 77883517949. The next prime is 77883518017. The reversal of 77883518012 is 21081538877.

It is a super-3 number, since 3×77883518012³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77883518017) 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, 411137 + ... + 569912.

It is an arithmetic number, because the mean of its divisors is an integer number (5768574000).

Almost surely, 2^77883518012 is an apocalyptic number.

It is an amenable number.

77883518012 is a deficient number, since it is larger than the sum of its proper divisors (60562257988).

77883518012 is a wasteful number, since it uses less digits than its factorization.

77883518012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981365 (or 981363 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 50.

The spelling of 77883518012 in words is "seventy-seven billion, eight hundred eighty-three million, five hundred eighteen thousand, twelve".