87734577 has 16 divisors (see below), whose sum is σ = 136801280. Its totient is φ = 48967632.

The previous prime is 87734567. The next prime is 87734579. The reversal of 87734577 is 77543778.

It is a happy number.

It is not a de Polignac number, because 87734577 - 2⁴ = 87734561 is a prime.

It is a Smith number, since the sum of its digits (48) 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 (87734579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47677 + ... + 49482.

It is an arithmetic number, because the mean of its divisors is an integer number (8550080).

Almost surely, 2^87734577 is an apocalyptic number.

It is an amenable number.

87734577 is a deficient number, since it is larger than the sum of its proper divisors (49066703).

87734577 is a wasteful number, since it uses less digits than its factorization.

87734577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97212.

The product of its digits is 1152480, while the sum is 48.

The square root of 87734577 is about 9366.6737425833. The cubic root of 87734577 is about 444.3483742189.

The spelling of 87734577 in words is "eighty-seven million, seven hundred thirty-four thousand, five hundred seventy-seven".