153893197857 has 16 divisors (see below), whose sum is σ = 235395578880. Its totient is φ = 87604598352.

The previous prime is 153893197853. The next prime is 153893197883. The reversal of 153893197857 is 758791398351.

It is not a de Polignac number, because 153893197857 - 2² = 153893197853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153893197853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13926507 + ... + 13937552.

It is an arithmetic number, because the mean of its divisors is an integer number (14712223680).

Almost surely, 2^153893197857 is an apocalyptic number.

It is an amenable number.

153893197857 is a deficient number, since it is larger than the sum of its proper divisors (81502381023).

153893197857 is a wasteful number, since it uses less digits than its factorization.

153893197857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27864332.

The product of its digits is 57153600, while the sum is 66.

The spelling of 153893197857 in words is "one hundred fifty-three billion, eight hundred ninety-three million, one hundred ninety-seven thousand, eight hundred fifty-seven".