97727452770 has 64 divisors (see below), whose sum is σ = 237572020224. Its totient is φ = 25724948160.

The previous prime is 97727452703. The next prime is 97727452841. The reversal of 97727452770 is 7725472779.

It is a self number, because there is not a number n which added to its sum of digits gives 97727452770.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3049249 + ... + 3081131.

It is an arithmetic number, because the mean of its divisors is an integer number (3712062816).

Almost surely, 2^97727452770 is an apocalyptic number.

97727452770 is an abundant number, since it is smaller than the sum of its proper divisors (139844567454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97727452770 is a wasteful number, since it uses less digits than its factorization.

97727452770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33207.

The product of its (nonzero) digits is 12101040, while the sum is 57.

The spelling of 97727452770 in words is "ninety-seven billion, seven hundred twenty-seven million, four hundred fifty-two thousand, seven hundred seventy".