158878999007 has 8 divisors (see below), whose sum is σ = 168675834096. Its totient is φ = 149132276352.

The previous prime is 158878999003. The next prime is 158878999061. The reversal of 158878999007 is 700999878851.

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

It is a cyclic number.

It is not a de Polignac number, because 158878999007 - 2² = 158878999003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158878999003) 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, 12521573 + ... + 12534254.

It is an arithmetic number, because the mean of its divisors is an integer number (21084479262).

Almost surely, 2^158878999007 is an apocalyptic number.

158878999007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

158878999007 is a deficient number, since it is larger than the sum of its proper divisors (9796835089).

158878999007 is a wasteful number, since it uses less digits than its factorization.

158878999007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25056217.

The product of its (nonzero) digits is 91445760, while the sum is 71.

The spelling of 158878999007 in words is "one hundred fifty-eight billion, eight hundred seventy-eight million, nine hundred ninety-nine thousand, seven".