2920858057 has 4 divisors (see below), whose sum is σ = 3145539460. Its totient is φ = 2696176656.

The previous prime is 2920858051. The next prime is 2920858103. The reversal of 2920858057 is 7508580292.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 614841616 + 2306016441 = 24796^2 + 48021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2920858057 is a prime.

It is a super-3 number, since 3×2920858057³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2920857998 and 2920858016.

It is not an unprimeable number, because it can be changed into a prime (2920858051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112340682 + ... + 112340707.

It is an arithmetic number, because the mean of its divisors is an integer number (786384865).

Almost surely, 2^2920858057 is an apocalyptic number.

It is an amenable number.

2920858057 is a deficient number, since it is larger than the sum of its proper divisors (224681403).

2920858057 is a wasteful number, since it uses less digits than its factorization.

2920858057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224681402.

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 2920858057 is about 54044.9632898386. The cubic root of 2920858057 is about 1429.4538897956.

The spelling of 2920858057 in words is "two billion, nine hundred twenty million, eight hundred fifty-eight thousand, fifty-seven".