101797747 has 4 divisors (see below), whose sum is σ = 106223760. Its totient is φ = 97371736.

The previous prime is 101797733. The next prime is 101797811. The reversal of 101797747 is 747797101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747797101 = 137 ⋅5458373.

It is a cyclic number.

It is not a de Polignac number, because 101797747 - 2¹¹ = 101795699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101797147) 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, 2212972 + ... + 2213017.

It is an arithmetic number, because the mean of its divisors is an integer number (26555940).

Almost surely, 2^101797747 is an apocalyptic number.

101797747 is a deficient number, since it is larger than the sum of its proper divisors (4426013).

101797747 is an equidigital number, since it uses as much as digits as its factorization.

101797747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4426012.

The product of its (nonzero) digits is 86436, while the sum is 43.

The square root of 101797747 is about 10089.4869542509. The cubic root of 101797747 is about 466.9238474136.

The spelling of 101797747 in words is "one hundred one million, seven hundred ninety-seven thousand, seven hundred forty-seven".