98771964 has 24 divisors (see below), whose sum is σ = 232286208. Its totient is φ = 32664240.

The previous prime is 98771947. The next prime is 98771971. The reversal of 98771964 is 46917789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30882 + ... + 33929.

It is an arithmetic number, because the mean of its divisors is an integer number (9678592).

Almost surely, 2^98771964 is an apocalyptic number.

It is an amenable number.

98771964 is an abundant number, since it is smaller than the sum of its proper divisors (133514244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98771964 is a wasteful number, since it uses less digits than its factorization.

98771964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64945 (or 64943 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 98771964 is about 9938.4085245073. The cubic root of 98771964 is about 462.2510395190.

The spelling of 98771964 in words is "ninety-eight million, seven hundred seventy-one thousand, nine hundred sixty-four".