2158077 has 8 divisors (see below), whose sum is σ = 3028960. Its totient is φ = 1362960.

The previous prime is 2158073. The next prime is 2158081. The reversal of 2158077 is 7708512.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2158073) and next prime (2158081).

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

It is not a de Polignac number, because 2158077 - 2² = 2158073 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 (2158073) 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, 18874 + ... + 18987.

It is an arithmetic number, because the mean of its divisors is an integer number (378620).

2^2158077 is an apocalyptic number.

It is an amenable number.

2158077 is a deficient number, since it is larger than the sum of its proper divisors (870883).

2158077 is a wasteful number, since it uses less digits than its factorization.

2158077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37883.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 2158077 is about 1469.0394821107. The cubic root of 2158077 is about 129.2277091058.

The spelling of 2158077 in words is "two million, one hundred fifty-eight thousand, seventy-seven".