77021036650252 has 48 divisors (see below), whose sum is σ = 144450469739520. Its totient is φ = 35840058800832.

The previous prime is 77021036650213. The next prime is 77021036650339. The reversal of 77021036650252 is 25205663012077.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338948649 + ... + 339175807.

It is an arithmetic number, because the mean of its divisors is an integer number (3009384786240).

Almost surely, 2^{77021036650252} is an apocalyptic number.

It is an amenable number.

77021036650252 is a deficient number, since it is larger than the sum of its proper divisors (67429433089268).

77021036650252 is a wasteful number, since it uses less digits than its factorization.

77021036650252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326830 (or 326828 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 77021036650252 in words is "seventy-seven trillion, twenty-one billion, thirty-six million, six hundred fifty thousand, two hundred fifty-two".