978159348901 has 8 divisors (see below), whose sum is σ = 1120551737984. Its totient is φ = 836430794640.

The previous prime is 978159348877. The next prime is 978159348913. The reversal of 978159348901 is 109843951879.

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

It is not a de Polignac number, because 978159348901 - 2⁵ = 978159348869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978159348931) 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, 165955545 + ... + 165961438.

It is an arithmetic number, because the mean of its divisors is an integer number (140068967248).

Almost surely, 2^978159348901 is an apocalyptic number.

It is an amenable number.

978159348901 is a deficient number, since it is larger than the sum of its proper divisors (142392389083).

978159348901 is a wasteful number, since it uses less digits than its factorization.

978159348901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331917411.

The product of its (nonzero) digits is 19595520, while the sum is 64.

The spelling of 978159348901 in words is "nine hundred seventy-eight billion, one hundred fifty-nine million, three hundred forty-eight thousand, nine hundred one".