3797777891953 has 6 divisors (see below), whose sum is σ = 3970077834674. Its totient is φ = 3632657113536.

The previous prime is 3797777891939. The next prime is 3797777892001. The reversal of 3797777891953 is 3591987777973.

It can be written as a sum of positive squares in only one way, i.e., 3757192969104 + 40584922849 = 1938348^2 + 201457^2 .

It is not a de Polignac number, because 3797777891953 - 2¹³ = 3797777883761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3797777891933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3589581600 + ... + 3589582657.

Almost surely, 2^{3797777891953} is an apocalyptic number.

It is an amenable number.

3797777891953 is a deficient number, since it is larger than the sum of its proper divisors (172299942721).

3797777891953 is an equidigital number, since it uses as much as digits as its factorization.

3797777891953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7179164303 (or 7179164280 counting only the distinct ones).

The product of its digits is 4410829080, while the sum is 82.

The spelling of 3797777891953 in words is "three trillion, seven hundred ninety-seven billion, seven hundred seventy-seven million, eight hundred ninety-one thousand, nine hundred fifty-three".