77950393 has 8 divisors (see below), whose sum is σ = 80150400. Its totient is φ = 75773040.

The previous prime is 77950361. The next prime is 77950409. The reversal of 77950393 is 39305977.

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 77950393 - 2⁵ = 77950361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77950303) 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, 1438 + ... + 12568.

It is an arithmetic number, because the mean of its divisors is an integer number (10018800).

Almost surely, 2^77950393 is an apocalyptic number.

It is an amenable number.

77950393 is a deficient number, since it is larger than the sum of its proper divisors (2200007).

77950393 is a wasteful number, since it uses less digits than its factorization.

77950393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11327.

The product of its (nonzero) digits is 178605, while the sum is 43.

The square root of 77950393 is about 8828.9519763107. The cubic root of 77950393 is about 427.1752704226.

The spelling of 77950393 in words is "seventy-seven million, nine hundred fifty thousand, three hundred ninety-three".