98787221265 has 64 divisors (see below), whose sum is σ = 167731200000. Its totient is φ = 49508713728.

The previous prime is 98787221251. The next prime is 98787221339. The reversal of 98787221265 is 56212278789.

It is not a de Polignac number, because 98787221265 - 2⁶ = 98787221201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44120016 + ... + 44122254.

It is an arithmetic number, because the mean of its divisors is an integer number (2620800000).

Almost surely, 2^98787221265 is an apocalyptic number.

98787221265 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

98787221265 is a deficient number, since it is larger than the sum of its proper divisors (68943978735).

98787221265 is a wasteful number, since it uses less digits than its factorization.

98787221265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454.

The product of its digits is 6773760, while the sum is 57.

The spelling of 98787221265 in words is "ninety-eight billion, seven hundred eighty-seven million, two hundred twenty-one thousand, two hundred sixty-five".