91425082288738 has 8 divisors (see below), whose sum is σ = 149604680108880. Its totient is φ = 41556855585780.

The previous prime is 91425082288723. The next prime is 91425082288781. The reversal of 91425082288738 is 83788228052419.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077842779268 + ... + 2077842779311.

It is an arithmetic number, because the mean of its divisors is an integer number (18700585013610).

Almost surely, 2^{91425082288738} is an apocalyptic number.

91425082288738 is a deficient number, since it is larger than the sum of its proper divisors (58179597820142).

91425082288738 is a wasteful number, since it uses less digits than its factorization.

91425082288738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155685558592.

The product of its (nonzero) digits is 123863040, while the sum is 67.

The spelling of 91425082288738 in words is "ninety-one trillion, four hundred twenty-five billion, eighty-two million, two hundred eighty-eight thousand, seven hundred thirty-eight".