78733461 has 12 divisors (see below), whose sum is σ = 107007488. Its totient is φ = 51493104.

The previous prime is 78733453. The next prime is 78733469. The reversal of 78733461 is 16433787.

It is an interprime number because it is at equal distance from previous prime (78733453) and next prime (78733469).

It is not a de Polignac number, because 78733461 - 2³ = 78733453 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 (78733469) 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 11 ways as a sum of consecutive naturals, for example, 3756 + ... + 13098.

Almost surely, 2^78733461 is an apocalyptic number.

It is an amenable number.

78733461 is a deficient number, since it is larger than the sum of its proper divisors (28274027).

78733461 is an equidigital number, since it uses as much as digits as its factorization.

78733461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9452 (or 9399 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 78733461 is about 8873.1877586356. The cubic root of 78733461 is about 428.6009351272.

The spelling of 78733461 in words is "seventy-eight million, seven hundred thirty-three thousand, four hundred sixty-one".