97989132770 has 16 divisors (see below), whose sum is σ = 176384106360. Its totient is φ = 39194838144.

The previous prime is 97989132767. The next prime is 97989132797. The reversal of 97989132770 is 7723198979.

It can be written as a sum of positive squares in 4 ways, for example, as 96763922761 + 1225210009 = 311069^2 + 35003^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 715166 + ... + 841094.

Almost surely, 2^97989132770 is an apocalyptic number.

97989132770 is a deficient number, since it is larger than the sum of its proper divisors (78394973590).

97989132770 is a wasteful number, since it uses less digits than its factorization.

97989132770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203749.

The product of its (nonzero) digits is 12002256, while the sum is 62.

The spelling of 97989132770 in words is "ninety-seven billion, nine hundred eighty-nine million, one hundred thirty-two thousand, seven hundred seventy".