97087754531 has 2 divisors, whose sum is σ = 97087754532. Its totient is φ = 97087754530.

The previous prime is 97087754527. The next prime is 97087754539. The reversal of 97087754531 is 13545778079.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97087754531 - 2² = 97087754527 is a prime.

It is a super-2 number, since 2×97087754531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97087754539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48543877265 + 48543877266.

It is an arithmetic number, because the mean of its divisors is an integer number (48543877266).

Almost surely, 2^97087754531 is an apocalyptic number.

97087754531 is a deficient number, since it is larger than the sum of its proper divisors (1).

97087754531 is an equidigital number, since it uses as much as digits as its factorization.

97087754531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7408800, while the sum is 56.

The spelling of 97087754531 in words is "ninety-seven billion, eighty-seven million, seven hundred fifty-four thousand, five hundred thirty-one".