87362257 has 8 divisors (see below), whose sum is σ = 91574784. Its totient is φ = 83184288.

The previous prime is 87362251. The next prime is 87362287. The reversal of 87362257 is 75226378.

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 87362257 - 2⁷ = 87362129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87362251) 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, 3388 + ... + 13645.

It is an arithmetic number, because the mean of its divisors is an integer number (11446848).

Almost surely, 2^87362257 is an apocalyptic number.

It is an amenable number.

87362257 is a deficient number, since it is larger than the sum of its proper divisors (4212527).

87362257 is a wasteful number, since it uses less digits than its factorization.

87362257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17279.

The product of its digits is 141120, while the sum is 40.

The square root of 87362257 is about 9346.7778940125. Note that the first 3 decimals coincide. The cubic root of 87362257 is about 443.7189212645.

The spelling of 87362257 in words is "eighty-seven million, three hundred sixty-two thousand, two hundred fifty-seven".