102798348937 has 4 divisors (see below), whose sum is σ = 106343119620. Its totient is φ = 99253578256.

The previous prime is 102798348929. The next prime is 102798348949. The reversal of 102798348937 is 739843897201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 739843897201 = 101 ⋅7325187101.

It can be written as a sum of positive squares in 2 ways, for example, as 85438705401 + 17359643536 = 292299^2 + 131756^2 .

It is a cyclic number.

It is not a de Polignac number, because 102798348937 - 2³ = 102798348929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102798348337) 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 3 ways as a sum of consecutive naturals, for example, 1772385298 + ... + 1772385355.

It is an arithmetic number, because the mean of its divisors is an integer number (26585779905).

Almost surely, 2^102798348937 is an apocalyptic number.

It is an amenable number.

102798348937 is a deficient number, since it is larger than the sum of its proper divisors (3544770683).

102798348937 is an equidigital number, since it uses as much as digits as its factorization.

102798348937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544770682.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 102798348937 in words is "one hundred two billion, seven hundred ninety-eight million, three hundred forty-eight thousand, nine hundred thirty-seven".