97810509530 has 16 divisors (see below), whose sum is σ = 176303796480. Its totient is φ = 39069786192.

The previous prime is 97810509529. The next prime is 97810509547. The reversal of 97810509530 is 3590501879.

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, 6794654 + ... + 6809033.

It is an arithmetic number, because the mean of its divisors is an integer number (11018987280).

Almost surely, 2^97810509530 is an apocalyptic number.

97810509530 is a deficient number, since it is larger than the sum of its proper divisors (78493286950).

97810509530 is a wasteful number, since it uses less digits than its factorization.

97810509530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13604413.

The product of its (nonzero) digits is 340200, while the sum is 47.

The spelling of 97810509530 in words is "ninety-seven billion, eight hundred ten million, five hundred nine thousand, five hundred thirty".