913400078 has 4 divisors (see below), whose sum is σ = 1370100120. Its totient is φ = 456700038.

The previous prime is 913400071. The next prime is 913400083. The reversal of 913400078 is 870004319.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913400071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228350018 + ... + 228350021.

It is an arithmetic number, because the mean of its divisors is an integer number (342525030).

Almost surely, 2^913400078 is an apocalyptic number.

913400078 is a deficient number, since it is larger than the sum of its proper divisors (456700042).

913400078 is a wasteful number, since it uses less digits than its factorization.

913400078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456700041.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 913400078 is about 30222.5094590108. The cubic root of 913400078 is about 970.2575140860.

The spelling of 913400078 in words is "nine hundred thirteen million, four hundred thousand, seventy-eight".