78266076 has 24 divisors (see below), whose sum is σ = 208709760. Its totient is φ = 22361712.

The previous prime is 78266039. The next prime is 78266077. The reversal of 78266076 is 67066287.

It is a super-2 number, since 2×78266076² = 12251157304875552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78266077) 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, 465786 + ... + 465953.

It is an arithmetic number, because the mean of its divisors is an integer number (8696240).

Almost surely, 2^78266076 is an apocalyptic number.

It is an amenable number.

78266076 is an abundant number, since it is smaller than the sum of its proper divisors (130443684).

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

78266076 is a wasteful number, since it uses less digits than its factorization.

78266076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931753 (or 931751 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 78266076 is about 8846.8116290560. The cubic root of 78266076 is about 427.7511509422.

The spelling of 78266076 in words is "seventy-eight million, two hundred sixty-six thousand, seventy-six".