8897372155 has 32 divisors (see below), whose sum is σ = 13258690560. Its totient is φ = 5593484160.

The previous prime is 8897372149. The next prime is 8897372167. The reversal of 8897372155 is 5512737988.

It is not a de Polignac number, because 8897372155 - 2⁵ = 8897372123 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8897372096 and 8897372105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195184 + ... + 236413.

It is an arithmetic number, because the mean of its divisors is an integer number (414334080).

Almost surely, 2^8897372155 is an apocalyptic number.

8897372155 is a deficient number, since it is larger than the sum of its proper divisors (4361318405).

8897372155 is a wasteful number, since it uses less digits than its factorization.

8897372155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431659.

The product of its digits is 4233600, while the sum is 55.

The square root of 8897372155 is about 94325.8827416950. The cubic root of 8897372155 is about 2072.1471147805.

The spelling of 8897372155 in words is "eight billion, eight hundred ninety-seven million, three hundred seventy-two thousand, one hundred fifty-five".