102377889 has 6 divisors (see below), whose sum is σ = 147879186. Its totient is φ = 68251920.

The previous prime is 102377881. The next prime is 102377897. The reversal of 102377889 is 988773201.

It is an interprime number because it is at equal distance from previous prime (102377881) and next prime (102377897).

It can be written as a sum of positive squares in only one way, i.e., 57380625 + 44997264 = 7575^2 + 6708^2 .

It is not a de Polignac number, because 102377889 - 2³ = 102377881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102377881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5687652 + ... + 5687669.

It is an arithmetic number, because the mean of its divisors is an integer number (24646531).

Almost surely, 2^102377889 is an apocalyptic number.

It is an amenable number.

102377889 is a deficient number, since it is larger than the sum of its proper divisors (45501297).

102377889 is a wasteful number, since it uses less digits than its factorization.

102377889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11375327 (or 11375324 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 102377889 is about 10118.1959360352. The cubic root of 102377889 is about 467.8091622754.

The spelling of 102377889 in words is "one hundred two million, three hundred seventy-seven thousand, eight hundred eighty-nine".