83787097 has 4 divisors (see below), whose sum is σ = 83817936. Its totient is φ = 83756260.

The previous prime is 83787071. The next prime is 83787103. The reversal of 83787097 is 79078738.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83787097 - 2¹¹ = 83785049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83787097.

It is not an unprimeable number, because it can be changed into a prime (83787797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10903 + ... + 16924.

It is an arithmetic number, because the mean of its divisors is an integer number (20954484).

Almost surely, 2^83787097 is an apocalyptic number.

It is an amenable number.

83787097 is a deficient number, since it is larger than the sum of its proper divisors (30839).

83787097 is a wasteful number, since it uses less digits than its factorization.

83787097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30838.

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 83787097 is about 9153.5292100916. The cubic root of 83787097 is about 437.5815958831.

The spelling of 83787097 in words is "eighty-three million, seven hundred eighty-seven thousand, ninety-seven".