97021954415 has 16 divisors (see below), whose sum is σ = 124326247680. Its totient is φ = 72523637760.

The previous prime is 97021954409. The next prime is 97021954417. The reversal of 97021954415 is 51445912079.

It is not a de Polignac number, because 97021954415 - 2³⁴ = 79842085231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97021954415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97021954417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10787714 + ... + 10796703.

It is an arithmetic number, because the mean of its divisors is an integer number (7770390480).

Almost surely, 2^97021954415 is an apocalyptic number.

97021954415 is a deficient number, since it is larger than the sum of its proper divisors (27304293265).

97021954415 is a wasteful number, since it uses less digits than its factorization.

97021954415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21584482.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 97021954415 in words is "ninety-seven billion, twenty-one million, nine hundred fifty-four thousand, four hundred fifteen".