87048431 has 2 divisors, whose sum is σ = 87048432. Its totient is φ = 87048430.

The previous prime is 87048407. The next prime is 87048439. The reversal of 87048431 is 13484078.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87048431 - 2¹⁴ = 87032047 is a prime.

It is a super-2 number, since 2×87048431² = 15154858679123522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 87048391 and 87048400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87048439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43524215 + 43524216.

It is an arithmetic number, because the mean of its divisors is an integer number (43524216).

Almost surely, 2^87048431 is an apocalyptic number.

87048431 is a deficient number, since it is larger than the sum of its proper divisors (1).

87048431 is an equidigital number, since it uses as much as digits as its factorization.

87048431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 87048431 is about 9329.9748659897. The cubic root of 87048431 is about 443.1869691650.

The spelling of 87048431 in words is "eighty-seven million, forty-eight thousand, four hundred thirty-one".