101864479 has 2 divisors, whose sum is σ = 101864480. Its totient is φ = 101864478.

The previous prime is 101864473. The next prime is 101864509. The reversal of 101864479 is 974468101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101864479 - 2³ = 101864471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101864471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50932239 + 50932240.

It is an arithmetic number, because the mean of its divisors is an integer number (50932240).

Almost surely, 2^101864479 is an apocalyptic number.

101864479 is a deficient number, since it is larger than the sum of its proper divisors (1).

101864479 is an equidigital number, since it uses as much as digits as its factorization.

101864479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 101864479 is about 10092.7934190689. The cubic root of 101864479 is about 467.0258534567.

The spelling of 101864479 in words is "one hundred one million, eight hundred sixty-four thousand, four hundred seventy-nine".