97761616 has 10 divisors (see below), whose sum is σ = 189413162. Its totient is φ = 48880800.

The previous prime is 97761583. The next prime is 97761617. The reversal of 97761616 is 61616779.

It can be written as a sum of positive squares in only one way, i.e., 68558400 + 29203216 = 8280^2 + 5404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97761617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055035 + ... + 3055066.

Almost surely, 2^97761616 is an apocalyptic number.

It is an amenable number.

97761616 is a deficient number, since it is larger than the sum of its proper divisors (91651546).

97761616 is a wasteful number, since it uses less digits than its factorization.

97761616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110109 (or 6110103 counting only the distinct ones).

The product of its digits is 95256, while the sum is 43.

The square root of 97761616 is about 9887.4473955617. The cubic root of 97761616 is about 460.6694977101.

The spelling of 97761616 in words is "ninety-seven million, seven hundred sixty-one thousand, six hundred sixteen".