98487451771 has 4 divisors (see below), whose sum is σ = 100345705632. Its totient is φ = 96629197912.

The previous prime is 98487451757. The next prime is 98487451787. The reversal of 98487451771 is 17715478489.

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 98487451771 - 2¹⁵ = 98487419003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98487451171) 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, 929126851 + ... + 929126956.

It is an arithmetic number, because the mean of its divisors is an integer number (25086426408).

Almost surely, 2^98487451771 is an apocalyptic number.

98487451771 is a deficient number, since it is larger than the sum of its proper divisors (1858253861).

98487451771 is a wasteful number, since it uses less digits than its factorization.

98487451771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858253860.

The product of its digits is 15805440, while the sum is 61.

The spelling of 98487451771 in words is "ninety-eight billion, four hundred eighty-seven million, four hundred fifty-one thousand, seven hundred seventy-one".