32378814037 has 4 divisors (see below), whose sum is σ = 32455723756. Its totient is φ = 32301904320.

The previous prime is 32378813933. The next prime is 32378814059. The reversal of 32378814037 is 73041887323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73041887323 = 47 ⋅1554082709.

It can be written as a sum of positive squares in 2 ways, for example, as 2954900881 + 29423913156 = 54359^2 + 171534^2 .

It is a cyclic number.

It is not a de Polignac number, because 32378814037 - 2²³ = 32370425429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32378814067) 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, 38454228 + ... + 38455069.

It is an arithmetic number, because the mean of its divisors is an integer number (8113930939).

Almost surely, 2^32378814037 is an apocalyptic number.

It is an amenable number.

32378814037 is a deficient number, since it is larger than the sum of its proper divisors (76909719).

32378814037 is an equidigital number, since it uses as much as digits as its factorization.

32378814037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76909718.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 32378814037 in words is "thirty-two billion, three hundred seventy-eight million, eight hundred fourteen thousand, thirty-seven".