5157781023 has 16 divisors (see below), whose sum is σ = 7154794496. Its totient is φ = 3301391520.

The previous prime is 5157780949. The next prime is 5157781037. The reversal of 5157781023 is 3201877515.

It is not a de Polignac number, because 5157781023 - 2¹⁴ = 5157764639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5157781063) 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, 206536 + ... + 230157.

It is an arithmetic number, because the mean of its divisors is an integer number (447174656).

Almost surely, 2^5157781023 is an apocalyptic number.

5157781023 is a deficient number, since it is larger than the sum of its proper divisors (1997013473).

5157781023 is a wasteful number, since it uses less digits than its factorization.

5157781023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436854.

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 5157781023 is about 71817.6929662879. The cubic root of 5157781023 is about 1727.7767807540.

The spelling of 5157781023 in words is "five billion, one hundred fifty-seven million, seven hundred eighty-one thousand, twenty-three".