28098626197502 has 16 divisors (see below), whose sum is σ = 48488073971712. Its totient is φ = 11962518247800.

The previous prime is 28098626197487. The next prime is 28098626197507. The reversal of 28098626197502 is 20579162689082.

It is a super-2 number, since 2×28098626197502² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28098626197507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6645841358 + ... + 6645845585.

It is an arithmetic number, because the mean of its divisors is an integer number (3030504623232).

Almost surely, 2^{28098626197502} is an apocalyptic number.

28098626197502 is a deficient number, since it is larger than the sum of its proper divisors (20389447774210).

28098626197502 is a wasteful number, since it uses less digits than its factorization.

28098626197502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13291687103.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 28098626197502 in words is "twenty-eight trillion, ninety-eight billion, six hundred twenty-six million, one hundred ninety-seven thousand, five hundred two".