972678158 has 8 divisors (see below), whose sum is σ = 1461100680. Its totient is φ = 485644600.

The previous prime is 972678143. The next prime is 972678173. The reversal of 972678158 is 851876279.

It is an interprime number because it is at equal distance from previous prime (972678143) and next prime (972678173).

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

It is a super-2 number, since 2×972678158² = 1892205598100545928, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 345488 + ... + 348291.

It is an arithmetic number, because the mean of its divisors is an integer number (182637585).

Almost surely, 2^972678158 is an apocalyptic number.

972678158 is a deficient number, since it is larger than the sum of its proper divisors (488422522).

972678158 is a wasteful number, since it uses less digits than its factorization.

972678158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694482.

The product of its digits is 1693440, while the sum is 53.

The square root of 972678158 is about 31187.7886038751. The cubic root of 972678158 is about 990.8084944025.

The spelling of 972678158 in words is "nine hundred seventy-two million, six hundred seventy-eight thousand, one hundred fifty-eight".