10780157 has 4 divisors (see below), whose sum is σ = 11127936. Its totient is φ = 10432380.

The previous prime is 10780153. The next prime is 10780177. The reversal of 10780157 is 75108701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10780157 - 2² = 10780153 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 (10780151) 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, 173843 + ... + 173904.

It is an arithmetic number, because the mean of its divisors is an integer number (2781984).

Almost surely, 2^10780157 is an apocalyptic number.

It is an amenable number.

10780157 is a deficient number, since it is larger than the sum of its proper divisors (347779).

10780157 is an equidigital number, since it uses as much as digits as its factorization.

10780157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347778.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 10780157 is about 3283.3149407268. The cubic root of 10780157 is about 220.9064324121.

Adding to 10780157 its reverse (75108701), we get a palindrome (85888858).

The spelling of 10780157 in words is "ten million, seven hundred eighty thousand, one hundred fifty-seven".