97028147892 has 24 divisors (see below), whose sum is σ = 243814320736. Its totient is φ = 29854814688.

The previous prime is 97028147891. The next prime is 97028147911. The reversal of 97028147892 is 29874182079.

It is a super-2 number, since 2×97028147892² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97028147891) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 310987498 + ... + 310987809.

Almost surely, 2^97028147892 is an apocalyptic number.

It is an amenable number.

97028147892 is an abundant number, since it is smaller than the sum of its proper divisors (146786172844).

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

97028147892 is a wasteful number, since it uses less digits than its factorization.

97028147892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621975327 (or 621975325 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 97028147892 in words is "ninety-seven billion, twenty-eight million, one hundred forty-seven thousand, eight hundred ninety-two".