60917891839 has 32 divisors (see below), whose sum is σ = 73186467840. Its totient is φ = 49575891552.

The previous prime is 60917891821. The next prime is 60917891863. The reversal of 60917891839 is 93819871906.

It is a cyclic number.

It is not a de Polignac number, because 60917891839 - 2³⁵ = 26558153471 is a prime.

It is a super-2 number, since 2×60917891839² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60917391839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13118052 + ... + 13122694.

It is an arithmetic number, because the mean of its divisors is an integer number (2287077120).

Almost surely, 2^60917891839 is an apocalyptic number.

60917891839 is a deficient number, since it is larger than the sum of its proper divisors (12268576001).

60917891839 is a wasteful number, since it uses less digits than its factorization.

60917891839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259.

The product of its (nonzero) digits is 5878656, while the sum is 61.

The spelling of 60917891839 in words is "sixty billion, nine hundred seventeen million, eight hundred ninety-one thousand, eight hundred thirty-nine".