61700988471 has 8 divisors (see below), whose sum is σ = 84491443824. Its totient is φ = 40022262720.

The previous prime is 61700988457. The next prime is 61700988473. The reversal of 61700988471 is 17488900716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61700988471 - 2¹⁸ = 61700726327 is a prime.

It is a super-3 number, since 3×61700988471³ (a number of 33 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 277932270 + ... + 277932491.

It is an arithmetic number, because the mean of its divisors is an integer number (10561430478).

Almost surely, 2^61700988471 is an apocalyptic number.

61700988471 is a deficient number, since it is larger than the sum of its proper divisors (22790455353).

61700988471 is a wasteful number, since it uses less digits than its factorization.

61700988471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555864801.

The product of its (nonzero) digits is 677376, while the sum is 51.

The spelling of 61700988471 in words is "sixty-one billion, seven hundred million, nine hundred eighty-eight thousand, four hundred seventy-one".