87233545 has 32 divisors (see below), whose sum is σ = 127374336. Its totient is φ = 55987200.

The previous prime is 87233543. The next prime is 87233557. The reversal of 87233545 is 54533278.

It is not a de Polignac number, because 87233545 - 2¹ = 87233543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87233543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160975 + ... + 161515.

It is an arithmetic number, because the mean of its divisors is an integer number (3980448).

Almost surely, 2^87233545 is an apocalyptic number.

87233545 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

87233545 is a deficient number, since it is larger than the sum of its proper divisors (40140791).

87233545 is a wasteful number, since it uses less digits than its factorization.

87233545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841.

The product of its digits is 100800, while the sum is 37.

The square root of 87233545 is about 9339.8899886455. The cubic root of 87233545 is about 443.5009017876.

It can be divided in two parts, 87233 and 545, that added together give a palindrome (87778).

The spelling of 87233545 in words is "eighty-seven million, two hundred thirty-three thousand, five hundred forty-five".