97214971950 has 72 divisors (see below), whose sum is σ = 261496544400. Its totient is φ = 25892993280.

The previous prime is 97214971939. The next prime is 97214971967. The reversal of 97214971950 is 5917941279.

97214971950 is a `hidden beast` number, since 97 + 2 + 1 + 497 + 19 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 248806 + ... + 506294.

It is an arithmetic number, because the mean of its divisors is an integer number (3631896450).

Almost surely, 2^97214971950 is an apocalyptic number.

97214971950 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 97214971950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130748272200).

97214971950 is an abundant number, since it is smaller than the sum of its proper divisors (164281572450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97214971950 is a wasteful number, since it uses less digits than its factorization.

97214971950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258346 (or 258338 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The spelling of 97214971950 in words is "ninety-seven billion, two hundred fourteen million, nine hundred seventy-one thousand, nine hundred fifty".