39770666850 has 48 divisors (see below), whose sum is σ = 98722395648. Its totient is φ = 10595711040.

The previous prime is 39770666843. The next prime is 39770666851. The reversal of 39770666850 is 5866607793.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (39770666851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41092 + ... + 285008.

It is an arithmetic number, because the mean of its divisors is an integer number (2056716576).

Almost surely, 2^39770666850 is an apocalyptic number.

39770666850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39770666850 is an abundant number, since it is smaller than the sum of its proper divisors (58951728798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39770666850 is a wasteful number, since it uses less digits than its factorization.

39770666850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245019 (or 245014 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 39770666850 in words is "thirty-nine billion, seven hundred seventy million, six hundred sixty-six thousand, eight hundred fifty".