78150942 has 24 divisors (see below), whose sum is σ = 172931616. Its totient is φ = 25495776.

The previous prime is 78150899. The next prime is 78150973. The reversal of 78150942 is 24905187.

It is a super-2 number, since 2×78150942² = 12215139470974728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78150897 and 78150906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45343 + ... + 47034.

It is an arithmetic number, because the mean of its divisors is an integer number (7205484).

Almost surely, 2^78150942 is an apocalyptic number.

78150942 is an abundant number, since it is smaller than the sum of its proper divisors (94780674).

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

78150942 is a wasteful number, since it uses less digits than its factorization.

78150942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92432 (or 92429 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 78150942 is about 8840.3021441577. The cubic root of 78150942 is about 427.5412989752.

The spelling of 78150942 in words is "seventy-eight million, one hundred fifty thousand, nine hundred forty-two".