98437087531 has 2 divisors, whose sum is σ = 98437087532. Its totient is φ = 98437087530.

The previous prime is 98437087513. The next prime is 98437087547. The reversal of 98437087531 is 13578073489.

It is a happy number.

Together with previous prime (98437087513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98437087531 - 2²⁹ = 97900216619 is a prime.

It is a super-2 number, since 2×98437087531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98437087561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49218543765 + 49218543766.

It is an arithmetic number, because the mean of its divisors is an integer number (49218543766).

Almost surely, 2^98437087531 is an apocalyptic number.

98437087531 is a deficient number, since it is larger than the sum of its proper divisors (1).

98437087531 is an equidigital number, since it uses as much as digits as its factorization.

98437087531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 98437087531 in words is "ninety-eight billion, four hundred thirty-seven million, eighty-seven thousand, five hundred thirty-one".