97478320766 has 16 divisors (see below), whose sum is σ = 146451464208. Its totient is φ = 48661219200.

The previous prime is 97478320691. The next prime is 97478320781. The reversal of 97478320766 is 66702387479.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4166036 + ... + 4189368.

It is an arithmetic number, because the mean of its divisors is an integer number (9153216513).

Almost surely, 2^97478320766 is an apocalyptic number.

97478320766 is a deficient number, since it is larger than the sum of its proper divisors (48973143442).

97478320766 is a wasteful number, since it uses less digits than its factorization.

97478320766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26587.

The product of its (nonzero) digits is 21337344, while the sum is 59.

The spelling of 97478320766 in words is "ninety-seven billion, four hundred seventy-eight million, three hundred twenty thousand, seven hundred sixty-six".