77838034 has 8 divisors (see below), whose sum is σ = 116797680. Its totient is φ = 38905476.

The previous prime is 77838031. The next prime is 77838037. The reversal of 77838034 is 43083877.

It is an interprime number because it is at equal distance from previous prime (77838031) and next prime (77838037).

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

It is not an unprimeable number, because it can be changed into a prime (77838031) 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, 3577 + ... + 12979.

It is an arithmetic number, because the mean of its divisors is an integer number (14599710).

Almost surely, 2^77838034 is an apocalyptic number.

77838034 is a deficient number, since it is larger than the sum of its proper divisors (38959646).

77838034 is a wasteful number, since it uses less digits than its factorization.

77838034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13544.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 77838034 is about 8822.5865821765. The cubic root of 77838034 is about 426.9699258692.

The spelling of 77838034 in words is "seventy-seven million, eight hundred thirty-eight thousand, thirty-four".