39897077 has 8 divisors (see below), whose sum is σ = 44536800. Its totient is φ = 35426160.

The previous prime is 39897061. The next prime is 39897083. The reversal of 39897077 is 77079893.

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

It is not a de Polignac number, because 39897077 - 2⁴ = 39897061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39897097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41702 + ... + 42647.

It is an arithmetic number, because the mean of its divisors is an integer number (5567100).

Almost surely, 2^39897077 is an apocalyptic number.

It is an amenable number.

39897077 is a deficient number, since it is larger than the sum of its proper divisors (4639723).

39897077 is a wasteful number, since it uses less digits than its factorization.

39897077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84403.

The product of its (nonzero) digits is 666792, while the sum is 50.

The square root of 39897077 is about 6316.4133018668. The cubic root of 39897077 is about 341.7016109675.

The spelling of 39897077 in words is "thirty-nine million, eight hundred ninety-seven thousand, seventy-seven".