2677988239937 has 16 divisors (see below), whose sum is σ = 2697513892752. Its totient is φ = 2658550083840.

The previous prime is 2677988239907. The next prime is 2677988239961. The reversal of 2677988239937 is 7399328897762.

It is a Cunningham number, because it is equal to 1636456²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1195051257856 + 1482936982081 = 1093184^2 + 1217759^2 .

It is a cyclic number.

It is not a de Polignac number, because 2677988239937 - 2³⁶ = 2609268763201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2677988239907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92929343 + ... + 92958155.

It is an arithmetic number, because the mean of its divisors is an integer number (168594618297).

Almost surely, 2^{2677988239937} is an apocalyptic number.

It is an amenable number.

2677988239937 is a deficient number, since it is larger than the sum of its proper divisors (19525652815).

2677988239937 is a wasteful number, since it uses less digits than its factorization.

2677988239937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30308.

The product of its digits is 3456649728, while the sum is 80.

The spelling of 2677988239937 in words is "two trillion, six hundred seventy-seven billion, nine hundred eighty-eight million, two hundred thirty-nine thousand, nine hundred thirty-seven".