39770157 has 24 divisors (see below), whose sum is σ = 64386496. Its totient is φ = 21385728.

The previous prime is 39770119. The next prime is 39770183. The reversal of 39770157 is 75107793.

It is a happy number.

It is not a de Polignac number, because 39770157 - 2⁸ = 39769901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39770057) 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, 2793 + ... + 9345.

Almost surely, 2^39770157 is an apocalyptic number.

It is an amenable number.

39770157 is a deficient number, since it is larger than the sum of its proper divisors (24616339).

39770157 is a wasteful number, since it uses less digits than its factorization.

39770157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597 (or 6580 counting only the distinct ones).

The product of its (nonzero) digits is 46305, while the sum is 39.

The square root of 39770157 is about 6306.3584579375. The cubic root of 39770157 is about 341.3388873362.

The spelling of 39770157 in words is "thirty-nine million, seven hundred seventy thousand, one hundred fifty-seven".