32495880781 has 8 divisors (see below), whose sum is σ = 39994930304. Its totient is φ = 25711026480.

The previous prime is 32495880733. The next prime is 32495880787. The reversal of 32495880781 is 18708859423.

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

It is a cyclic number.

It is not a de Polignac number, because 32495880781 - 2⁹ = 32495880269 is a prime.

It is a super-2 number, since 2×32495880781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32495880787) by changing a digit.

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, 178548705 + ... + 178548886.

It is an arithmetic number, because the mean of its divisors is an integer number (4999366288).

Almost surely, 2^32495880781 is an apocalyptic number.

It is an amenable number.

32495880781 is a deficient number, since it is larger than the sum of its proper divisors (7499049523).

32495880781 is a wasteful number, since it uses less digits than its factorization.

32495880781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357097611.

The product of its (nonzero) digits is 3870720, while the sum is 55.

It can be divided in two parts, 32495 and 880781, that added together give a triangular number (913276 = T₁₃₅₁).

The spelling of 32495880781 in words is "thirty-two billion, four hundred ninety-five million, eight hundred eighty thousand, seven hundred eighty-one".