39497370878 has 32 divisors (see below), whose sum is σ = 70586062848. Its totient is φ = 16219188000.

The previous prime is 39497370877. The next prime is 39497370911. The reversal of 39497370878 is 87807379493.

39497370878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39497370877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406700 + ... + 494367.

It is an arithmetic number, because the mean of its divisors is an integer number (2205814464).

Almost surely, 2^39497370878 is an apocalyptic number.

39497370878 is a deficient number, since it is larger than the sum of its proper divisors (31088691970).

39497370878 is a wasteful number, since it uses less digits than its factorization.

39497370878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901208.

The product of its (nonzero) digits is 64012032, while the sum is 65.

The spelling of 39497370878 in words is "thirty-nine billion, four hundred ninety-seven million, three hundred seventy thousand, eight hundred seventy-eight".