2965857808797 has 32 divisors (see below), whose sum is σ = 4749443596800. Its totient is φ = 1818358289856.

The previous prime is 2965857808763. The next prime is 2965857808801. The reversal of 2965857808797 is 7978087585692.

2965857808797 is a `hidden beast` number, since 29 + 6 + 585 + 7 + 8 + 0 + 8 + 7 + 9 + 7 = 666.

It is not a de Polignac number, because 2965857808797 - 2¹⁴ = 2965857792413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2965857808097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15611413 + ... + 15800250.

It is an arithmetic number, because the mean of its divisors is an integer number (148420112400).

Almost surely, 2^{2965857808797} is an apocalyptic number.

2965857808797 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2965857808797 is a deficient number, since it is larger than the sum of its proper divisors (1783585788003).

2965857808797 is a wasteful number, since it uses less digits than its factorization.

2965857808797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31411954 (or 31411948 counting only the distinct ones).

The product of its (nonzero) digits is 4267468800, while the sum is 81.

The spelling of 2965857808797 in words is "two trillion, nine hundred sixty-five billion, eight hundred fifty-seven million, eight hundred eight thousand, seven hundred ninety-seven".