37345340987 has 2 divisors, whose sum is σ = 37345340988. Its totient is φ = 37345340986.

The previous prime is 37345340947. The next prime is 37345341037. The reversal of 37345340987 is 78904354373.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37345340987 - 2³⁰ = 36271599163 is a prime.

It is not a weakly prime, because it can be changed into another prime (37345340917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18672670493 + 18672670494.

It is an arithmetic number, because the mean of its divisors is an integer number (18672670494).

Almost surely, 2^37345340987 is an apocalyptic number.

37345340987 is a deficient number, since it is larger than the sum of its proper divisors (1).

37345340987 is an equidigital number, since it uses as much as digits as its factorization.

37345340987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 53.

The spelling of 37345340987 in words is "thirty-seven billion, three hundred forty-five million, three hundred forty thousand, nine hundred eighty-seven".