107451977 has 4 divisors (see below), whose sum is σ = 108236436. Its totient is φ = 106667520.

The previous prime is 107451943. The next prime is 107451991. The reversal of 107451977 is 779154701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 779154701 = 13 ⋅59934977.

It can be written as a sum of positive squares in 2 ways, for example, as 31483321 + 75968656 = 5611^2 + 8716^2 .

It is a cyclic number.

It is not a de Polignac number, because 107451977 - 2¹⁴ = 107435593 is a prime.

It is a super-2 number, since 2×107451977² = 23091854722417058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107451907) 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, 392024 + ... + 392297.

It is an arithmetic number, because the mean of its divisors is an integer number (27059109).

Almost surely, 2^107451977 is an apocalyptic number.

It is an amenable number.

107451977 is a deficient number, since it is larger than the sum of its proper divisors (784459).

107451977 is an equidigital number, since it uses as much as digits as its factorization.

107451977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784458.

The product of its (nonzero) digits is 61740, while the sum is 41.

The square root of 107451977 is about 10365.9045432610. The cubic root of 107451977 is about 475.4134564446.

The spelling of 107451977 in words is "one hundred seven million, four hundred fifty-one thousand, nine hundred seventy-seven".