32378400751 has 2 divisors, whose sum is σ = 32378400752. Its totient is φ = 32378400750.

The previous prime is 32378400737. The next prime is 32378400757. The reversal of 32378400751 is 15700487323.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32378400751 - 2¹⁹ = 32377876463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32378400757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16189200375 + 16189200376.

It is an arithmetic number, because the mean of its divisors is an integer number (16189200376).

Almost surely, 2^32378400751 is an apocalyptic number.

32378400751 is a deficient number, since it is larger than the sum of its proper divisors (1).

32378400751 is an equidigital number, since it uses as much as digits as its factorization.

32378400751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 32378400751 in words is "thirty-two billion, three hundred seventy-eight million, four hundred thousand, seven hundred fifty-one".