2780677847375 has 8 divisors (see below), whose sum is σ = 3470285953680. Its totient is φ = 2224542277800.

The previous prime is 2780677847309. The next prime is 2780677847399. The reversal of 2780677847375 is 5737487760872.

It is not a de Polignac number, because 2780677847375 - 2²⁶ = 2780610738511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2780677847299 and 2780677847308.

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, 11122711265 + ... + 11122711514.

It is an arithmetic number, because the mean of its divisors is an integer number (433785744210).

Almost surely, 2^{2780677847375} is an apocalyptic number.

2780677847375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2780677847375 is a deficient number, since it is larger than the sum of its proper divisors (689608106305).

2780677847375 is an equidigital number, since it uses as much as digits as its factorization.

2780677847375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22245422794 (or 22245422784 counting only the distinct ones).

The product of its (nonzero) digits is 774466560, while the sum is 71.

The spelling of 2780677847375 in words is "two trillion, seven hundred eighty billion, six hundred seventy-seven million, eight hundred forty-seven thousand, three hundred seventy-five".