78263416 has 32 divisors (see below), whose sum is σ = 182954880. Its totient is φ = 30492000.

The previous prime is 78263387. The next prime is 78263429. The reversal of 78263416 is 61436287.

It is a super-2 number, since 2×78263416² = 12250324567978112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62910 + ... + 64141.

It is an arithmetic number, because the mean of its divisors is an integer number (5717340).

Almost surely, 2^78263416 is an apocalyptic number.

It is an amenable number.

78263416 is an abundant number, since it is smaller than the sum of its proper divisors (104691464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78263416 is a wasteful number, since it uses less digits than its factorization.

78263416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127075 (or 127071 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 78263416 is about 8846.6612911312. The cubic root of 78263416 is about 427.7463049476.

The spelling of 78263416 in words is "seventy-eight million, two hundred sixty-three thousand, four hundred sixteen".