158772783 has 8 divisors (see below), whose sum is σ = 227981488. Its totient is φ = 97706304.

The previous prime is 158772763. The next prime is 158772833. The reversal of 158772783 is 387277851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 158772783 - 2⁸ = 158772527 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 (158772743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035510 + ... + 2035587.

It is an arithmetic number, because the mean of its divisors is an integer number (28497686).

Almost surely, 2^158772783 is an apocalyptic number.

158772783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

158772783 is a deficient number, since it is larger than the sum of its proper divisors (69208705).

158772783 is a wasteful number, since it uses less digits than its factorization.

158772783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071113.

The product of its digits is 658560, while the sum is 48.

The square root of 158772783 is about 12600.5072516943. The cubic root of 158772783 is about 541.4919680040.

The spelling of 158772783 in words is "one hundred fifty-eight million, seven hundred seventy-two thousand, seven hundred eighty-three".