77158270873140 has 24 divisors (see below), whose sum is σ = 216043158444960. Its totient is φ = 20575538899488.

The previous prime is 77158270873133. The next prime is 77158270873153. The reversal of 77158270873140 is 4137807285177.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 1285971181219 = 77158270873140 / (7 + 7 + 1 + 5 + 8 + 2 + 7 + 0 + 8 + 7 + 3 + 1 + 4 + 0).

It is a congruent number.

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, 642985590550 + ... + 642985590669.

It is an arithmetic number, because the mean of its divisors is an integer number (9001798268540).

Almost surely, 2^{77158270873140} is an apocalyptic number.

It is an amenable number.

77158270873140 is an abundant number, since it is smaller than the sum of its proper divisors (138884887571820).

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

77158270873140 is a wasteful number, since it uses less digits than its factorization.

77158270873140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285971181231 (or 1285971181229 counting only the distinct ones).

The product of its (nonzero) digits is 18439680, while the sum is 60.

The spelling of 77158270873140 in words is "seventy-seven trillion, one hundred fifty-eight billion, two hundred seventy million, eight hundred seventy-three thousand, one hundred forty".