83378097 has 12 divisors (see below), whose sum is σ = 131383824. Its totient is φ = 50532120.

The previous prime is 83378089. The next prime is 83378111. The reversal of 83378097 is 79087338.

It is not a de Polignac number, because 83378097 - 2³ = 83378089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83378077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421003 + ... + 421200.

It is an arithmetic number, because the mean of its divisors is an integer number (10948652).

Almost surely, 2^83378097 is an apocalyptic number.

It is an amenable number.

83378097 is a deficient number, since it is larger than the sum of its proper divisors (48005727).

83378097 is a wasteful number, since it uses less digits than its factorization.

83378097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842220 (or 842217 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 83378097 is about 9131.1607695846. The cubic root of 83378097 is about 436.8684276980.

The spelling of 83378097 in words is "eighty-three million, three hundred seventy-eight thousand, ninety-seven".