87268751 has 8 divisors (see below), whose sum is σ = 90465408. Its totient is φ = 84096000.

The previous prime is 87268723. The next prime is 87268759. The reversal of 87268751 is 15786278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87268751 - 2¹⁴ = 87252367 is a prime.

It is a super-2 number, since 2×87268751² = 15231669802200002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87268759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631 + ... + 13311.

It is an arithmetic number, because the mean of its divisors is an integer number (11308176).

Almost surely, 2^87268751 is an apocalyptic number.

87268751 is a deficient number, since it is larger than the sum of its proper divisors (3196657).

87268751 is a wasteful number, since it uses less digits than its factorization.

87268751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11953.

The product of its digits is 188160, while the sum is 44.

The square root of 87268751 is about 9341.7745102309. The cubic root of 87268751 is about 443.5605569456.

The spelling of 87268751 in words is "eighty-seven million, two hundred sixty-eight thousand, seven hundred fifty-one".