4987157 has 8 divisors (see below), whose sum is σ = 5755776. Its totient is φ = 4232592.

The previous prime is 4987127. The next prime is 4987207. The reversal of 4987157 is 7517894.

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

It is not a de Polignac number, because 4987157 - 2⁸ = 4986901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987127) 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, 2738 + ... + 4179.

It is an arithmetic number, because the mean of its divisors is an integer number (719472).

Almost surely, 2^4987157 is an apocalyptic number.

It is an amenable number.

4987157 is a deficient number, since it is larger than the sum of its proper divisors (768619).

4987157 is a wasteful number, since it uses less digits than its factorization.

4987157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027.

The product of its digits is 70560, while the sum is 41.

The square root of 4987157 is about 2233.1943489092. The cubic root of 4987157 is about 170.8510609933.

The spelling of 4987157 in words is "four million, nine hundred eighty-seven thousand, one hundred fifty-seven".