97810478 has 16 divisors (see below), whose sum is σ = 150272064. Its totient is φ = 47725920.

The previous prime is 97810477. The next prime is 97810561. The reversal of 97810478 is 87401879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97810477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36008 + ... + 38628.

It is an arithmetic number, because the mean of its divisors is an integer number (9392004).

Almost surely, 2^97810478 is an apocalyptic number.

97810478 is a deficient number, since it is larger than the sum of its proper divisors (52461586).

97810478 is a wasteful number, since it uses less digits than its factorization.

97810478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 97810478 is about 9889.9179976378. The cubic root of 97810478 is about 460.7462336346.

The spelling of 97810478 in words is "ninety-seven million, eight hundred ten thousand, four hundred seventy-eight".