980145987 has 16 divisors (see below), whose sum is σ = 1329557760. Its totient is φ = 642103200.

The previous prime is 980145977. The next prime is 980146007. The reversal of 980145987 is 789541089.

It is not a de Polignac number, because 980145987 - 2⁸ = 980145731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (980145977) 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, 265162 + ... + 268832.

It is an arithmetic number, because the mean of its divisors is an integer number (83097360).

Almost surely, 2^980145987 is an apocalyptic number.

980145987 is a deficient number, since it is larger than the sum of its proper divisors (349411773).

980145987 is a wasteful number, since it uses less digits than its factorization.

980145987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 980145987 is about 31307.2832899950. The cubic root of 980145987 is about 993.3377081045.

The spelling of 980145987 in words is "nine hundred eighty million, one hundred forty-five thousand, nine hundred eighty-seven".