97279488 has 160 divisors (see below), whose sum is σ = 298552320. Its totient is φ = 31242240.

The previous prime is 97279477. The next prime is 97279499. The reversal of 97279488 is 88497279.

97279488 is a `hidden beast` number, since 97 + 2 + 79 + 488 = 666.

It is an interprime number because it is at equal distance from previous prime (97279477) and next prime (97279499).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428431 + ... + 428657.

It is an arithmetic number, because the mean of its divisors is an integer number (1865952).

Almost surely, 2^97279488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97279488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149276160).

97279488 is an abundant number, since it is smaller than the sum of its proper divisors (201272832).

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

97279488 is a wasteful number, since it uses less digits than its factorization.

97279488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 263 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 97279488 is about 9863.0364492888. The cubic root of 97279488 is about 459.9109594514.

The spelling of 97279488 in words is "ninety-seven million, two hundred seventy-nine thousand, four hundred eighty-eight".