94878491 has 4 divisors (see below), whose sum is σ = 95817984. Its totient is φ = 93939000.

The previous prime is 94878461. The next prime is 94878503. The reversal of 94878491 is 19487849.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19487849 = 101 ⋅192949.

It is a cyclic number.

It is not a de Polignac number, because 94878491 - 2¹⁴ = 94862107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94878461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469595 + ... + 469796.

It is an arithmetic number, because the mean of its divisors is an integer number (23954496).

Almost surely, 2^94878491 is an apocalyptic number.

94878491 is a deficient number, since it is larger than the sum of its proper divisors (939493).

94878491 is a wasteful number, since it uses less digits than its factorization.

94878491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939492.

The product of its digits is 580608, while the sum is 50.

The square root of 94878491 is about 9740.5590701972. The cubic root of 94878491 is about 456.0956423858.

The spelling of 94878491 in words is "ninety-four million, eight hundred seventy-eight thousand, four hundred ninety-one".