986947157 has 8 divisors (see below), whose sum is σ = 1128138816. Its totient is φ = 845805312.

The previous prime is 986947151. The next prime is 986947163. The reversal of 986947157 is 751749689.

It is an interprime number because it is at equal distance from previous prime (986947151) and next prime (986947163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 986947157 - 2⁴ = 986947141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986947151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52853 + ... + 69045.

It is an arithmetic number, because the mean of its divisors is an integer number (141017352).

Almost surely, 2^986947157 is an apocalyptic number.

It is an amenable number.

986947157 is a deficient number, since it is larger than the sum of its proper divisors (141191659).

986947157 is a wasteful number, since it uses less digits than its factorization.

986947157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24907.

The product of its digits is 3810240, while the sum is 56.

The square root of 986947157 is about 31415.7151279419. The cubic root of 986947157 is about 995.6299831038.

The spelling of 986947157 in words is "nine hundred eighty-six million, nine hundred forty-seven thousand, one hundred fifty-seven".