89201689251438 has 16 divisors (see below), whose sum is σ = 178403606599680. Its totient is φ = 29733858401016.

The previous prime is 89201689251431. The next prime is 89201689251439. The reversal of 89201689251438 is 83415298610298.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89201689251431) 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, 4191720 + ... + 13999067.

It is an arithmetic number, because the mean of its divisors is an integer number (11150225412480).

Almost surely, 2^{89201689251438} is an apocalyptic number.

89201689251438 is an abundant number, since it is smaller than the sum of its proper divisors (89201917348242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89201689251438 is a wasteful number, since it uses less digits than its factorization.

89201689251438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19008071.

The product of its (nonzero) digits is 59719680, while the sum is 66.

The spelling of 89201689251438 in words is "eighty-nine trillion, two hundred one billion, six hundred eighty-nine million, two hundred fifty-one thousand, four hundred thirty-eight".