77244006651140 has 96 divisors (see below), whose sum is σ = 186271019311104. Its totient is φ = 26357438194560.

The previous prime is 77244006651131. The next prime is 77244006651151. The reversal of 77244006651140 is 4115660044277.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26616677 + ... + 29375763.

It is an arithmetic number, because the mean of its divisors is an integer number (1940323117824).

Almost surely, 2^{77244006651140} is an apocalyptic number.

77244006651140 is a gapful number since it is divisible by the number (70) 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 77244006651140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93135509655552).

77244006651140 is an abundant number, since it is smaller than the sum of its proper divisors (109027012659964).

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

77244006651140 is a wasteful number, since it uses less digits than its factorization.

77244006651140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760057 (or 2760055 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 77244006651140 in words is "seventy-seven trillion, two hundred forty-four billion, six million, six hundred fifty-one thousand, one hundred forty".