5277780278000 has 80 divisors (see below), whose sum is σ = 12905062728480. Its totient is φ = 2087391680000.

The previous prime is 5277780277981. The next prime is 5277780278033. The reversal of 5277780278000 is 8720877725.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14647226 + ... + 15003225.

It is an arithmetic number, because the mean of its divisors is an integer number (161313284106).

Almost surely, 2^{5277780278000} is an apocalyptic number.

5277780278000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5277780278000 is an abundant number, since it is smaller than the sum of its proper divisors (7627282450480).

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

5277780278000 is a wasteful number, since it uses less digits than its factorization.

5277780278000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29650563 (or 29650547 counting only the distinct ones).

The product of its (nonzero) digits is 3073280, while the sum is 53.

The spelling of 5277780278000 in words is "five trillion, two hundred seventy-seven billion, seven hundred eighty million, two hundred seventy-eight thousand".