97529433778 has 16 divisors (see below), whose sum is σ = 167208989184. Its totient is φ = 41794410240.

The previous prime is 97529433769. The next prime is 97529433779. The reversal of 97529433778 is 87733492579.

It is not an unprimeable number, because it can be changed into a prime (97529433779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169263 + ... + 472978.

It is an arithmetic number, because the mean of its divisors is an integer number (10450561824).

Almost surely, 2^97529433778 is an apocalyptic number.

97529433778 is a deficient number, since it is larger than the sum of its proper divisors (69679555406).

97529433778 is a wasteful number, since it uses less digits than its factorization.

97529433778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653097.

The product of its digits is 80015040, while the sum is 64.

The spelling of 97529433778 in words is "ninety-seven billion, five hundred twenty-nine million, four hundred thirty-three thousand, seven hundred seventy-eight".