86098817477 has 2 divisors, whose sum is σ = 86098817478. Its totient is φ = 86098817476.

The previous prime is 86098817449. The next prime is 86098817513. The reversal of 86098817477 is 77471889068.

It is a Cunningham number, because it is equal to 293426²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86098817476 + 1 = 293426^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 86098817477 - 2¹⁶ = 86098751941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86098817407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43049408738 + 43049408739.

It is an arithmetic number, because the mean of its divisors is an integer number (43049408739).

Almost surely, 2^86098817477 is an apocalyptic number.

It is an amenable number.

86098817477 is a deficient number, since it is larger than the sum of its proper divisors (1).

86098817477 is an equidigital number, since it uses as much as digits as its factorization.

86098817477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37933056, while the sum is 65.

The spelling of 86098817477 in words is "eighty-six billion, ninety-eight million, eight hundred seventeen thousand, four hundred seventy-seven".