3977842258101 has 16 divisors (see below), whose sum is σ = 5424023517696. Its totient is φ = 2592420880896.

The previous prime is 3977842258099. The next prime is 3977842258111. The reversal of 3977842258101 is 1018522487793.

It is a happy number.

It is not a de Polignac number, because 3977842258101 - 2¹ = 3977842258099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977842258111) 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, 80345445 + ... + 80394938.

It is an arithmetic number, because the mean of its divisors is an integer number (339001469856).

Almost surely, 2^{3977842258101} is an apocalyptic number.

It is an amenable number.

3977842258101 is a deficient number, since it is larger than the sum of its proper divisors (1446181259595).

3977842258101 is a wasteful number, since it uses less digits than its factorization.

3977842258101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160740572.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 3977842258101 in words is "three trillion, nine hundred seventy-seven billion, eight hundred forty-two million, two hundred fifty-eight thousand, one hundred one".