61700988472 has 16 divisors (see below), whose sum is σ = 116572480200. Its totient is φ = 30614993760.

The previous prime is 61700988457. The next prime is 61700988473. The reversal of 61700988472 is 27488900716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61700988473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29436447 + ... + 29438542.

Almost surely, 2^61700988472 is an apocalyptic number.

It is an amenable number.

61700988472 is a deficient number, since it is larger than the sum of its proper divisors (54871491728).

61700988472 is a wasteful number, since it uses less digits than its factorization.

61700988472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58875126 (or 58875122 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 61700988472 in words is "sixty-one billion, seven hundred million, nine hundred eighty-eight thousand, four hundred seventy-two".