97772667 has 8 divisors (see below), whose sum is σ = 134568960. Its totient is φ = 63079080.

The previous prime is 97772663. The next prime is 97772683. The reversal of 97772667 is 76627779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97772667 - 2² = 97772663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97772663) 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, 525567 + ... + 525752.

It is an arithmetic number, because the mean of its divisors is an integer number (16821120).

Almost surely, 2^97772667 is an apocalyptic number.

97772667 is a deficient number, since it is larger than the sum of its proper divisors (36796293).

97772667 is a wasteful number, since it uses less digits than its factorization.

97772667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051353.

The product of its digits is 1555848, while the sum is 51.

The square root of 97772667 is about 9888.0062196582. The cubic root of 97772667 is about 460.6868551251.

The spelling of 97772667 in words is "ninety-seven million, seven hundred seventy-two thousand, six hundred sixty-seven".