908853797247 has 24 divisors (see below), whose sum is σ = 1389896441472. Its totient is φ = 526871761680.

The previous prime is 908853797233. The next prime is 908853797261. The reversal of 908853797247 is 742797358809.

It is an interprime number because it is at equal distance from previous prime (908853797233) and next prime (908853797261).

It is not a de Polignac number, because 908853797247 - 2⁴ = 908853797231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (908853797447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54420553 + ... + 54437250.

It is an arithmetic number, because the mean of its divisors is an integer number (57912351728).

Almost surely, 2^908853797247 is an apocalyptic number.

908853797247 is a deficient number, since it is larger than the sum of its proper divisors (481042644225).

908853797247 is a wasteful number, since it uses less digits than its factorization.

908853797247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108857851 (or 108857840 counting only the distinct ones).

The product of its (nonzero) digits is 213373440, while the sum is 69.

The spelling of 908853797247 in words is "nine hundred eight billion, eight hundred fifty-three million, seven hundred ninety-seven thousand, two hundred forty-seven".