91674073701887 has 4 divisors (see below), whose sum is σ = 91781546239320. Its totient is φ = 91566601164456.

The previous prime is 91674073701803. The next prime is 91674073701919. The reversal of 91674073701887 is 78810737047619.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91674073701887 - 2¹⁴ = 91674073685503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91674073704887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53736267437 + ... + 53736269142.

It is an arithmetic number, because the mean of its divisors is an integer number (22945386559830).

Almost surely, 2^{91674073701887} is an apocalyptic number.

91674073701887 is a deficient number, since it is larger than the sum of its proper divisors (107472537433).

91674073701887 is a wasteful number, since it uses less digits than its factorization.

91674073701887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107472537432.

The product of its (nonzero) digits is 99574272, while the sum is 68.

The spelling of 91674073701887 in words is "ninety-one trillion, six hundred seventy-four billion, seventy-three million, seven hundred one thousand, eight hundred eighty-seven".