89862032987 has 2 divisors, whose sum is σ = 89862032988. Its totient is φ = 89862032986.

The previous prime is 89862032983. The next prime is 89862033007. The reversal of 89862032987 is 78923026898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89862032987 - 2² = 89862032983 is a prime.

It is a super-2 number, since 2×89862032987² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89862032983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44931016493 + 44931016494.

It is an arithmetic number, because the mean of its divisors is an integer number (44931016494).

Almost surely, 2^89862032987 is an apocalyptic number.

89862032987 is a deficient number, since it is larger than the sum of its proper divisors (1).

89862032987 is an equidigital number, since it uses as much as digits as its factorization.

89862032987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 89862032987 in words is "eighty-nine billion, eight hundred sixty-two million, thirty-two thousand, nine hundred eighty-seven".