2093157785 has 16 divisors (see below), whose sum is σ = 2524392000. Its totient is φ = 1666147776.

The previous prime is 2093157767. The next prime is 2093157797. The reversal of 2093157785 is 5877513902.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2093157785 is a prime.

It is a super-2 number, since 2×2093157785² = 8762619025812212450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072991 + ... + 1074939.

It is an arithmetic number, because the mean of its divisors is an integer number (157774500).

Almost surely, 2^2093157785 is an apocalyptic number.

It is an amenable number.

2093157785 is a deficient number, since it is larger than the sum of its proper divisors (431234215).

2093157785 is a wasteful number, since it uses less digits than its factorization.

2093157785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 2093157785 is about 45751.0413542686. The cubic root of 2093157785 is about 1279.1868584254.

The spelling of 2093157785 in words is "two billion, ninety-three million, one hundred fifty-seven thousand, seven hundred eighty-five".