98712665 has 16 divisors (see below), whose sum is σ = 127872000. Its totient is φ = 72929472.

The previous prime is 98712661. The next prime is 98712667. The reversal of 98712665 is 56621789.

It is a cyclic number.

It is not a de Polignac number, because 98712665 - 2² = 98712661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98712661) 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, 11465 + ... + 18134.

It is an arithmetic number, because the mean of its divisors is an integer number (7992000).

Almost surely, 2^98712665 is an apocalyptic number.

It is an amenable number.

98712665 is a deficient number, since it is larger than the sum of its proper divisors (29159335).

98712665 is a wasteful number, since it uses less digits than its factorization.

98712665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29656.

The product of its digits is 181440, while the sum is 44.

The square root of 98712665 is about 9935.4247518664. The cubic root of 98712665 is about 462.1585149111.

The spelling of 98712665 in words is "ninety-eight million, seven hundred twelve thousand, six hundred sixty-five".