2677903145278 has 4 divisors (see below), whose sum is σ = 4016854717920. Its totient is φ = 1338951572638.

The previous prime is 2677903145261. The next prime is 2677903145279. The reversal of 2677903145278 is 8725413097762.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×2677903145278⁴ (a number of 51 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2677903145279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669475786318 + ... + 669475786321.

It is an arithmetic number, because the mean of its divisors is an integer number (1004213679480).

It is a 1-persistent number, because it is pandigital, but 2⋅2677903145278 = 5355806290556 is not.

Almost surely, 2^{2677903145278} is an apocalyptic number.

2677903145278 is a deficient number, since it is larger than the sum of its proper divisors (1338951572642).

2677903145278 is a wasteful number, since it uses less digits than its factorization.

2677903145278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338951572641.

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 2677903145278 in words is "two trillion, six hundred seventy-seven billion, nine hundred three million, one hundred forty-five thousand, two hundred seventy-eight".