87964751 has 16 divisors (see below), whose sum is σ = 103022400. Its totient is φ = 75075840.

The previous prime is 87964729. The next prime is 87964757. The reversal of 87964751 is 15746978.

It is not a de Polignac number, because 87964751 - 2⁶ = 87964687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87964696 and 87964705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87964757) 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, 115211 + ... + 115971.

It is an arithmetic number, because the mean of its divisors is an integer number (6438900).

Almost surely, 2^87964751 is an apocalyptic number.

87964751 is a deficient number, since it is larger than the sum of its proper divisors (15057649).

87964751 is an equidigital number, since it uses as much as digits as its factorization.

87964751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1105 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 87964751 is about 9378.9525534571. The cubic root of 87964751 is about 444.7366214900.

The spelling of 87964751 in words is "eighty-seven million, nine hundred sixty-four thousand, seven hundred fifty-one".