87713747 has 12 divisors (see below), whose sum is σ = 101489640. Its totient is φ = 75540960.

The previous prime is 87713737. The next prime is 87713749. The reversal of 87713747 is 74731778.

It is not a de Polignac number, because 87713747 - 2¹⁸ = 87451603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87713698 and 87713707.

It is not an unprimeable number, because it can be changed into a prime (87713749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16778 + ... + 21375.

It is an arithmetic number, because the mean of its divisors is an integer number (8457470).

Almost surely, 2^87713747 is an apocalyptic number.

87713747 is a deficient number, since it is larger than the sum of its proper divisors (13775893).

87713747 is a wasteful number, since it uses less digits than its factorization.

87713747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38194 (or 38183 counting only the distinct ones).

The product of its digits is 230496, while the sum is 44.

The square root of 87713747 is about 9365.5617557091. The cubic root of 87713747 is about 444.3132056094.

The spelling of 87713747 in words is "eighty-seven million, seven hundred thirteen thousand, seven hundred forty-seven".