87741747 has 6 divisors (see below), whose sum is σ = 126738092. Its totient is φ = 58494492.

The previous prime is 87741701. The next prime is 87741751. The reversal of 87741747 is 74714778.

It is a happy number.

It is not a de Polignac number, because 87741747 - 2¹¹ = 87739699 is a prime.

It is a super-2 number, since 2×87741747² = 15397228333224018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87741767) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4874533 + ... + 4874550.

Almost surely, 2^87741747 is an apocalyptic number.

87741747 is a deficient number, since it is larger than the sum of its proper divisors (38996345).

87741747 is a wasteful number, since it uses less digits than its factorization.

87741747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9749089 (or 9749086 counting only the distinct ones).

The product of its digits is 307328, while the sum is 45.

The square root of 87741747 is about 9367.0564746883. The cubic root of 87741747 is about 444.3604784967.

It can be divided in two parts, 87741 and 747, that added together give a palindrome (88488).

The spelling of 87741747 in words is "eighty-seven million, seven hundred forty-one thousand, seven hundred forty-seven".