97651008 has 392 divisors, whose sum is σ = 373123968. Its totient is φ = 24634368.

The previous prime is 97651003. The next prime is 97651019. The reversal of 97651008 is 80015679.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97651003) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4245685 + ... + 4245707.

Almost surely, 2^97651008 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 97651008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186561984).

97651008 is an abundant number, since it is smaller than the sum of its proper divisors (275472960).

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

97651008 is a wasteful number, since it uses less digits than its factorization.

97651008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 97651008 is about 9881.8524579150. The cubic root of 97651008 is about 460.4956975269.

It can be divided in two parts, 976 and 51008, that added together give a square (51984 = 228²).

The spelling of 97651008 in words is "ninety-seven million, six hundred fifty-one thousand, eight".