2597779071 has 6 divisors (see below), whose sum is σ = 3752347560. Its totient is φ = 1731852708.

The previous prime is 2597779049. The next prime is 2597779087. The reversal of 2597779071 is 1709777952.

It is not a de Polignac number, because 2597779071 - 2⁷ = 2597778943 is a prime.

It is a super-2 number, since 2×2597779071² = 13496912203451246082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2597778999 and 2597779017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2597779271) 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, 144321051 + ... + 144321068.

It is an arithmetic number, because the mean of its divisors is an integer number (625391260).

Almost surely, 2^2597779071 is an apocalyptic number.

2597779071 is a deficient number, since it is larger than the sum of its proper divisors (1154568489).

2597779071 is a wasteful number, since it uses less digits than its factorization.

2597779071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288642125 (or 288642122 counting only the distinct ones).

The product of its (nonzero) digits is 1944810, while the sum is 54.

The square root of 2597779071 is about 50968.4124826348. The cubic root of 2597779071 is about 1374.6772260105.

The spelling of 2597779071 in words is "two billion, five hundred ninety-seven million, seven hundred seventy-nine thousand, seventy-one".