77949103 has 8 divisors (see below), whose sum is σ = 78935472. Its totient is φ = 76966656.

The previous prime is 77949101. The next prime is 77949143. The reversal of 77949103 is 30194977.

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

It is a cyclic number.

It is not a de Polignac number, because 77949103 - 2¹ = 77949101 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 (77949101) 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, 65076 + ... + 66262.

It is an arithmetic number, because the mean of its divisors is an integer number (9866934).

Almost surely, 2^77949103 is an apocalyptic number.

77949103 is a deficient number, since it is larger than the sum of its proper divisors (986369).

77949103 is a wasteful number, since it uses less digits than its factorization.

77949103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 77949103 is about 8828.8789209050. The cubic root of 77949103 is about 427.1729139704.

The spelling of 77949103 in words is "seventy-seven million, nine hundred forty-nine thousand, one hundred three".