98578047 has 16 divisors (see below), whose sum is σ = 140359680. Its totient is φ = 61404000.

The previous prime is 98578003. The next prime is 98578049. The reversal of 98578047 is 74087589.

It is not a de Polignac number, because 98578047 - 2¹⁹ = 98053759 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98577987 and 98578005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98578049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15579 + ... + 20972.

It is an arithmetic number, because the mean of its divisors is an integer number (8772480).

Almost surely, 2^98578047 is an apocalyptic number.

98578047 is a deficient number, since it is larger than the sum of its proper divisors (41781633).

98578047 is a wasteful number, since it uses less digits than its factorization.

98578047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36614.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 98578047 is about 9928.6477931287. The cubic root of 98578047 is about 461.9483319592.

The spelling of 98578047 in words is "ninety-eight million, five hundred seventy-eight thousand, forty-seven".