97902051702551 has 4 divisors (see below), whose sum is σ = 99081594494232. Its totient is φ = 96722508910872.

The previous prime is 97902051702487. The next prime is 97902051702601. The reversal of 97902051702551 is 15520715020979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97902051702551 - 2⁶ = 97902051702487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97902051702493 and 97902051702502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97902051702151) 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, 589771395716 + ... + 589771395881.

It is an arithmetic number, because the mean of its divisors is an integer number (24770398623558).

Almost surely, 2^{97902051702551} is an apocalyptic number.

97902051702551 is a deficient number, since it is larger than the sum of its proper divisors (1179542791681).

97902051702551 is a wasteful number, since it uses less digits than its factorization.

97902051702551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179542791680.

The product of its (nonzero) digits is 1984500, while the sum is 53.

The spelling of 97902051702551 in words is "ninety-seven trillion, nine hundred two billion, fifty-one million, seven hundred two thousand, five hundred fifty-one".