97787164402 has 16 divisors (see below), whose sum is σ = 150720665472. Its totient is φ = 47559707280.

The previous prime is 97787164379. The next prime is 97787164411. The reversal of 97787164402 is 20446178779.

It is a happy number.

It is an unprimeable number.

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, 3175749 + ... + 3206392.

It is an arithmetic number, because the mean of its divisors is an integer number (9420041592).

Almost surely, 2^97787164402 is an apocalyptic number.

97787164402 is a deficient number, since it is larger than the sum of its proper divisors (52933501070).

97787164402 is a wasteful number, since it uses less digits than its factorization.

97787164402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6382353.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 97787164402 in words is "ninety-seven billion, seven hundred eighty-seven million, one hundred sixty-four thousand, four hundred two".