97902051702553 has 4 divisors (see below), whose sum is σ = 111888059088640. Its totient is φ = 83916044316468.

The previous prime is 97902051702487. The next prime is 97902051702601. The reversal of 97902051702553 is 35520715020979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-97902051702553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97902051702494 and 97902051702503.

It is not an unprimeable number, because it can be changed into a prime (97902051705553) 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, 6993003693033 + ... + 6993003693046.

It is an arithmetic number, because the mean of its divisors is an integer number (27972014772160).

Almost surely, 2^{97902051702553} is an apocalyptic number.

It is an amenable number.

97902051702553 is a deficient number, since it is larger than the sum of its proper divisors (13986007386087).

97902051702553 is a wasteful number, since it uses less digits than its factorization.

97902051702553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13986007386086.

The product of its (nonzero) digits is 5953500, while the sum is 55.

The spelling of 97902051702553 in words is "ninety-seven trillion, nine hundred two billion, fifty-one million, seven hundred two thousand, five hundred fifty-three".