87236437751 has 2 divisors, whose sum is σ = 87236437752. Its totient is φ = 87236437750.

The previous prime is 87236437723. The next prime is 87236437811. The reversal of 87236437751 is 15773463278.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87236437751 - 2²⁶ = 87169328887 is a prime.

It is a super-2 number, since 2×87236437751² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87236437693 and 87236437702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87236437711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43618218875 + 43618218876.

It is an arithmetic number, because the mean of its divisors is an integer number (43618218876).

Almost surely, 2^87236437751 is an apocalyptic number.

87236437751 is a deficient number, since it is larger than the sum of its proper divisors (1).

87236437751 is an equidigital number, since it uses as much as digits as its factorization.

87236437751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5927040, while the sum is 53.

The spelling of 87236437751 in words is "eighty-seven billion, two hundred thirty-six million, four hundred thirty-seven thousand, seven hundred fifty-one".