10401977 has 6 divisors (see below), whose sum is σ = 11050158. Its totient is φ = 9789824.

The previous prime is 10401973. The next prime is 10402031. The reversal of 10401977 is 77910401.

It can be written as a sum of positive squares in 3 ways, for example, as 6497401 + 3904576 = 2549^2 + 1976^2 .

It is not a de Polignac number, because 10401977 - 2² = 10401973 is a prime.

It is a super-2 number, since 2×10401977² = 216402251017058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10401973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17708 + ... + 18285.

It is an arithmetic number, because the mean of its divisors is an integer number (1841693).

Almost surely, 2^10401977 is an apocalyptic number.

10401977 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10401977 is a deficient number, since it is larger than the sum of its proper divisors (648181).

10401977 is an equidigital number, since it uses as much as digits as its factorization.

10401977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36027 (or 36010 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 10401977 is about 3225.2096055915. The cubic root of 10401977 is about 218.2924070418.

The spelling of 10401977 in words is "ten million, four hundred one thousand, nine hundred seventy-seven".