89157979631726 has 16 divisors (see below), whose sum is σ = 134083287383760. Its totient is φ = 44463571747200.

The previous prime is 89157979631723. The next prime is 89157979631797. The reversal of 89157979631726 is 62713697975198.

It is a happy number.

It is a super-2 number, since 2×89157979631726² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89157979631723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3097145 + ... + 13707963.

It is an arithmetic number, because the mean of its divisors is an integer number (8380205461485).

Almost surely, 2^{89157979631726} is an apocalyptic number.

89157979631726 is a deficient number, since it is larger than the sum of its proper divisors (44925307752034).

89157979631726 is a wasteful number, since it uses less digits than its factorization.

89157979631726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621699.

The product of its digits is 2160406080, while the sum is 80.

The spelling of 89157979631726 in words is "eighty-nine trillion, one hundred fifty-seven billion, nine hundred seventy-nine million, six hundred thirty-one thousand, seven hundred twenty-six".