87272457 has 8 divisors (see below), whose sum is σ = 116438784. Its totient is φ = 58143888.

The previous prime is 87272443. The next prime is 87272459. The reversal of 87272457 is 75427278.

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

It is not a de Polignac number, because 87272457 - 2⁸ = 87272201 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (87272459) 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, 3513 + ... + 13670.

It is an arithmetic number, because the mean of its divisors is an integer number (14554848).

Almost surely, 2^87272457 is an apocalyptic number.

It is an amenable number.

87272457 is a deficient number, since it is larger than the sum of its proper divisors (29166327).

87272457 is a wasteful number, since it uses less digits than its factorization.

87272457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18879.

The product of its digits is 219520, while the sum is 42.

The square root of 87272457 is about 9341.9728644436. The cubic root of 87272457 is about 443.5668356809.

The spelling of 87272457 in words is "eighty-seven million, two hundred seventy-two thousand, four hundred fifty-seven".