981418707 has 12 divisors (see below), whose sum is σ = 1454194840. Its totient is φ = 654170616.

The previous prime is 981418663. The next prime is 981418727. The reversal of 981418707 is 707814189.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 981418707 - 2¹⁰ = 981417683 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981418727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159769 + ... + 165797.

Almost surely, 2^981418707 is an apocalyptic number.

981418707 is a deficient number, since it is larger than the sum of its proper divisors (472776133).

981418707 is an frugal number, since it uses more digits than its factorization.

981418707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12067 (or 6032 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 981418707 is about 31327.6029564983. The cubic root of 981418707 is about 993.7674719605.

The spelling of 981418707 in words is "nine hundred eighty-one million, four hundred eighteen thousand, seven hundred seven".