158122783077 has 24 divisors (see below), whose sum is σ = 259678236096. Its totient is φ = 85040823168.

The previous prime is 158122783019. The next prime is 158122783097. The reversal of 158122783077 is 770387221851.

It is a happy number.

It is not a de Polignac number, because 158122783077 - 2¹⁶ = 158122717541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158122783097) 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 23 ways as a sum of consecutive naturals, for example, 31634713 + ... + 31639710.

It is an arithmetic number, because the mean of its divisors is an integer number (10819926504).

Almost surely, 2^158122783077 is an apocalyptic number.

158122783077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

158122783077 is a deficient number, since it is larger than the sum of its proper divisors (101555453019).

158122783077 is a wasteful number, since it uses less digits than its factorization.

158122783077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63274457 (or 63274450 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 51.

The spelling of 158122783077 in words is "one hundred fifty-eight billion, one hundred twenty-two million, seven hundred eighty-three thousand, seventy-seven".