97805151 has 20 divisors (see below), whose sum is σ = 146578432. Its totient is φ = 64991808.

The previous prime is 97805111. The next prime is 97805159. The reversal of 97805151 is 15150879.

It is not a de Polignac number, because 97805151 - 2¹⁴ = 97788767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97805159) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25506 + ... + 29088.

Almost surely, 2^97805151 is an apocalyptic number.

97805151 is a deficient number, since it is larger than the sum of its proper divisors (48773281).

97805151 is a wasteful number, since it uses less digits than its factorization.

97805151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932 (or 3923 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The square root of 97805151 is about 9889.6486793010. The cubic root of 97805151 is about 460.7378690238.

The spelling of 97805151 in words is "ninety-seven million, eight hundred five thousand, one hundred fifty-one".