97091523963 has 64 divisors (see below), whose sum is σ = 167571302400. Its totient is φ = 54414581760.

The previous prime is 97091523959. The next prime is 97091523979. The reversal of 97091523963 is 36932519079.

It is a happy number.

It is not a de Polignac number, because 97091523963 - 2² = 97091523959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97091523943) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2571123 + ... + 2608611.

It is an arithmetic number, because the mean of its divisors is an integer number (2618301600).

Almost surely, 2^97091523963 is an apocalyptic number.

97091523963 is a deficient number, since it is larger than the sum of its proper divisors (70479778437).

97091523963 is a wasteful number, since it uses less digits than its factorization.

97091523963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37769 (or 37763 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 54.

The spelling of 97091523963 in words is "ninety-seven billion, ninety-one million, five hundred twenty-three thousand, nine hundred sixty-three".