158731858077 has 8 divisors (see below), whose sum is σ = 227922668064. Its totient is φ = 97681143408.

The previous prime is 158731858069. The next prime is 158731858079. The reversal of 158731858077 is 770858137851.

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

It is not a de Polignac number, because 158731858077 - 2³ = 158731858069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158731858077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158731858079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035023783 + ... + 2035023860.

It is an arithmetic number, because the mean of its divisors is an integer number (28490333508).

Almost surely, 2^158731858077 is an apocalyptic number.

It is an amenable number.

158731858077 is a deficient number, since it is larger than the sum of its proper divisors (69190809987).

158731858077 is a wasteful number, since it uses less digits than its factorization.

158731858077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070047659.

The product of its (nonzero) digits is 13171200, while the sum is 60.

The spelling of 158731858077 in words is "one hundred fifty-eight billion, seven hundred thirty-one million, eight hundred fifty-eight thousand, seventy-seven".