2287777797 has 16 divisors (see below), whose sum is σ = 3395407680. Its totient is φ = 1522436976.

The previous prime is 2287777769. The next prime is 2287777847. The reversal of 2287777797 is 7977777822.

It is not a de Polignac number, because 2287777797 - 2¹² = 2287773701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287777717) 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, 61023 + ... + 91100.

It is an arithmetic number, because the mean of its divisors is an integer number (212212980).

Almost surely, 2^2287777797 is an apocalyptic number.

2287777797 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2287777797 is a deficient number, since it is larger than the sum of its proper divisors (1107629883).

2287777797 is a wasteful number, since it uses less digits than its factorization.

2287777797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152689 (or 152683 counting only the distinct ones).

The product of its digits is 33882912, while the sum is 63.

The square root of 2287777797 is about 47830.7202224679. The cubic root of 2287777797 is about 1317.6637964256.

The spelling of 2287777797 in words is "two billion, two hundred eighty-seven million, seven hundred seventy-seven thousand, seven hundred ninety-seven".