120777657215784 has 32 divisors (see below), whose sum is σ = 310104795556320. Its totient is φ = 39171132069696.

The previous prime is 120777657215741. The next prime is 120777657215843. The reversal of 120777657215784 is 487512756777021.

It is a super-3 number, since 3×120777657215784³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68005436734 + ... + 68005438509.

It is an arithmetic number, because the mean of its divisors is an integer number (9690774861135).

Almost surely, 2^{120777657215784} is an apocalyptic number.

It is an amenable number.

120777657215784 is an abundant number, since it is smaller than the sum of its proper divisors (189327138340536).

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

120777657215784 is a wasteful number, since it uses less digits than its factorization.

120777657215784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136010875289 (or 136010875285 counting only the distinct ones).

The product of its (nonzero) digits is 322694400, while the sum is 69.

The spelling of 120777657215784 in words is "one hundred twenty trillion, seven hundred seventy-seven billion, six hundred fifty-seven million, two hundred fifteen thousand, seven hundred eighty-four".