98612987461 has 2 divisors, whose sum is σ = 98612987462. Its totient is φ = 98612987460.

The previous prime is 98612987423. The next prime is 98612987479. The reversal of 98612987461 is 16478921689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88289208225 + 10323779236 = 297135^2 + 101606^2 .

It is a cyclic number.

It is not a de Polignac number, because 98612987461 - 2¹⁷ = 98612856389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98612987461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98682987461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49306493730 + 49306493731.

It is an arithmetic number, because the mean of its divisors is an integer number (49306493731).

Almost surely, 2^98612987461 is an apocalyptic number.

It is an amenable number.

98612987461 is a deficient number, since it is larger than the sum of its proper divisors (1).

98612987461 is an equidigital number, since it uses as much as digits as its factorization.

98612987461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 61.

The spelling of 98612987461 in words is "ninety-eight billion, six hundred twelve million, nine hundred eighty-seven thousand, four hundred sixty-one".