91870653395427 has 8 divisors (see below), whose sum is σ = 122494382161920. Its totient is φ = 61247013446280.

The previous prime is 91870653395387. The next prime is 91870653395429. The reversal of 91870653395427 is 72459335607819.

91870653395427 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-91870653395427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91870653395429) 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, 19752099 + ... + 23955932.

It is an arithmetic number, because the mean of its divisors is an integer number (15311797770240).

It is a 1-persistent number, because it is pandigital, but 2⋅91870653395427 = 183741306790854 is not.

Almost surely, 2^{91870653395427} is an apocalyptic number.

91870653395427 is a deficient number, since it is larger than the sum of its proper divisors (30623728766493).

91870653395427 is a wasteful number, since it uses less digits than its factorization.

91870653395427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44408673.

The product of its (nonzero) digits is 342921600, while the sum is 69.

The spelling of 91870653395427 in words is "ninety-one trillion, eight hundred seventy billion, six hundred fifty-three million, three hundred ninety-five thousand, four hundred twenty-seven".