97774142 has 4 divisors (see below), whose sum is σ = 146661216. Its totient is φ = 48887070.

The previous prime is 97774111. The next prime is 97774163. The reversal of 97774142 is 24147779.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 97774142.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 24443534 + ... + 24443537.

It is an arithmetic number, because the mean of its divisors is an integer number (36665304).

Almost surely, 2^97774142 is an apocalyptic number.

97774142 is a deficient number, since it is larger than the sum of its proper divisors (48887074).

97774142 is a wasteful number, since it uses less digits than its factorization.

97774142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48887073.

The product of its digits is 98784, while the sum is 41.

The square root of 97774142 is about 9888.0808046860. The cubic root of 97774142 is about 460.6891717565.

The spelling of 97774142 in words is "ninety-seven million, seven hundred seventy-four thousand, one hundred forty-two".