158796481078 has 4 divisors (see below), whose sum is σ = 238194721620. Its totient is φ = 79398240538.

The previous prime is 158796481073. The next prime is 158796481093. The reversal of 158796481078 is 870184697851.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×158796481078² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158796481073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39699120268 + ... + 39699120271.

It is an arithmetic number, because the mean of its divisors is an integer number (59548680405).

Almost surely, 2^158796481078 is an apocalyptic number.

158796481078 is a deficient number, since it is larger than the sum of its proper divisors (79398240542).

158796481078 is an equidigital number, since it uses as much as digits as its factorization.

158796481078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79398240541.

The product of its (nonzero) digits is 27095040, while the sum is 64.

The spelling of 158796481078 in words is "one hundred fifty-eight billion, seven hundred ninety-six million, four hundred eighty-one thousand, seventy-eight".